2,2-dimethoxypropane

Xiamen Aeco Chemical Industrial Co., Ltd(Short as Aecochem)

An ISO 9001:2015 Certified Company
Your Partner in China, a Professional chemical raw material supplier, our main products including the Epxoy Chemical ,Petro Chemical,Pharma Intermediate,Fine Chemicas and Life Science etc.

We consists a team of professional analytical department,complete QC&QA under strict SOPs, experienced sale and after-sale service, efficient logistic support, one-stop service is our great advantage, to benefit for our clients, like BASF, CHEMO, Brenntag, ASR ,Evonik, Merck and etc.

High Quality is Guaranteed
Large-capacity Production to Help You Control Costs

We,Aecochem always be there for you.

Vision: Become a professional Chemical Supplier!
Mission: Create value for customers through Providing products and services!

For more information, contact our English-speaking representatives today.

Send an inquiry on 2,2-dimethoxypropane to Aecochem Corp.

AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. All these products are stocked in multiple, convenient, sizes to fit your specific needs. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery.
AK Scientific products can be searched by Name (or partial name, keyword), Catalog, CAS, and MFCD# on the website. Our website is updated frequently to add new products and to incorporate customer feedback.

Aside from product packaging and pricing, the AK Scientific website provides additional information, such as physical properties and safety advice.

We are committed to keeping all our products in stock for immediate delivery.

Bulk Products

The majority of our products are available in bulk quantities. Inquiries for larger amounts are always welcome.

On time delivery, Competitive prices, Guaranteed quality, Real-time project communication.

Send an inquiry on 2,2-dimethoxypropane to AK Scientific, Inc.

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing.

We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures.

We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength.

Our products range from natural gas, oil and basic chemical products through innovative intermediates to specialties, high value-added chemicals, crop protection products and pharmaceuticals.

Send an inquiry on 2,2-dimethoxypropane to BuGuCh & Partners

Carbone scientific is located in London, UK. We are mainly engaged in the marketing development, R&D, technical support and service. Carbone scientific provides fine chemicals, pharmaceutical intermediates, and active pharmaceutical ingredients to the global marketplaces. Our aim is to make those most popular products available to these pharmaceutical and biotech companies, research organizations and university labs worldwide.

Our online catalogue has already listed over 50,000 products and over 15000 products in stock. Any customers could be easily to select any products from our online catalogue for creating purchase orders. The very competitive price and lead time information are available for you after you register at our web site
Send an inquiry on 2,2-dimethoxypropane to Carbone Scientific Co., Ltd.

Chemos® is a leading supplier of ready to use solutions for the lab and chemical industry. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. We are supplying and producing lab quantities from tiny quantities up to 100 metric tons for worldwide shipping.

We are the specialist when you require complete new raw materials or hard to find products with a dedicated specification. Through our network of custom manufacturing companies and our own customizing capabilities, we could offer raw materials and ready to use solutions as requested. Our extended service portfolio around product supply and documentation like safety data sheet service is a unique combination and our offer to you.

Chemos® Solutions through service is the base of our activities. We are a service provider with manufacturing capabilities. We continue where other will stop since more than 24 years. Take advantage from our experience and contact us.

Chemos® is a registered trademark of Chemos GmbH&Co.KG.

Send an inquiry on 2,2-dimethoxypropane to Chemos GmbH & Co. KG

CM Fine Chemicals, being a privately owned Swiss company, has been manufacturing and providing fine chemicals, intermediates and reagents to all kind of industries and research organizations all over the world.

Since 1997 our high quality fine chemicals are used from lab to commercial quantities in many different applications.

We are your innovative, flexible and reliable partner for any hard-to-find molecule!

Whether a complex compound or just hard-to-find - we can supply a cost effective material with a high sustainable quality.

Some of our strong product groups are:
- Alcohols
- Aldehydes
- Amines
- Aromatics
- Boronic acids
- Botanical extracts
- Carboxylic acids
- Chiral compounds
- Fluorinated compounds
- Heterocyclics
- Nitriles
- Ketones
- Phosphorus compounds

Send an inquiry on 2,2-dimethoxypropane to CM Fine Chemicals

Create Chemical Co., Ltd. is a specialized manufacturer of organic intermediates, Essence and fragrance、fine chemical and cosmetic raw material. Founded in 2015.

The company is located in Jinan City, Shandong Province, It has two factories. The company supervises, controls and operates all production links in strict accordance with the requirements of ISO9001 and ISO14001.

In order to meet the needs of more customers and more dimensions, the company constantly improve product research and development, We have created many unique product production processes and obtained patents. By 2022, we have obtained up to 70 patent projects. At the same time, we have been rated as provincial excellent enterprises.

Our products are exported to more than 80 countries including many internationally renowned companies and listed companies. Adhering to the Core mission of `We are not only a manufacturer of chemicals, but also a innovator`, the company sincerely cooperates with international and domestic clients with sincere enthusiasm and the best service.

Send an inquiry on 2,2-dimethoxypropane to Create Chemical Co., Ltd.

Dayang Chem (Hangzhou) Co.,Ltd. is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. We act also as agent of many chemical factories and promote their products to the international market at very competitive price.
We take "Credi first, Clients supreme" as our aim. We expect to cooperate with more partners in the world by providing superior quality chemicals and best service.

Send an inquiry on 2,2-dimethoxypropane to Dayang Chem (Hangzhou) Co.,Ltd.

The heart of the Performance Materials segment is the production of polymer materials and intermediates, mainly for the rubber and plastics industries.

Progressive globalization offers market opportunities for this segment, driven by the mobility and urbanization megatrends, which are raising global demand for efficient transportation systems and sustainable construction methods. This is reinforced by the rise of an affluent middle class, especially in the emerging markets in Asia.

Send an inquiry on 2,2-dimethoxypropane to Evonik Industries AG

The Product Divisions:
• Biochemicals & Diagnostic Chemical Group
• Specialty Chemicals & Intermediates
• Pharmaceuticals & Cosmetics
Send an inquiry on 2,2-dimethoxypropane to Fabrichem, Inc.

Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. As a technology innovative and service professional enterprise, Our company mainly engages in global pharmaceutical, chemical and biological service.

After years of development, our company has accumulated abundant products resources in local China and international market which increasingly satisfy development requirements of customers. The products includes fine chemicals, food / feed additives, APIs, pesticides, dyes and pharmaceutical .

Our vision is to supply our customers with the highest quality ingredients with competitive price and excellent service through our professional knowledge. We will achieve our vision by working closely with our partners from all over the world.



Send an inquiry on 2,2-dimethoxypropane to Hangzhou Keying Chem Co., Ltd.

Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. In our R&D centre, we have a staff of skilled and experienced research chemists. This has enabled us to meet the special requirements of our customers and it has enabled us to provide quality products at competitive prices.
Lingrui’s credo is committed to your reliable business partner, reliable quality, competitive prices and superior service, If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future !

Send an inquiry on 2,2-dimethoxypropane to Hangzhou Lingrui Chemical Co., Ltd.

Hangzhou Meite Industry Co., Ltd. is an international high-tech enterprise founded in 1998, specialized in R&D and manufacture on intermediates, medicines, agrochemical, dyestuff, flavor, fragrance, cosmetic, natural extracts series products.

We have an efficient R&D centre, get a strong technical support from Zhejiang University of Technology and Institute of Chemistry, Wuhan Branch, Chinese Academy of Sciences. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fine Chemical Industrial Zone of Shangyu Hangzhou Gulf. In 2009, we established another factory at the industrial park in Tian Town, Wuxue city, Hubei province.

Considering our long-term development, we are always making innovations on technology, management, system and culture, keeping innovation on product mix adjustment is ever committed by all staff of Meite, we can research and synthesize many especial products according to customer requirement, providing the best product, considerate service and fast shipment is our aim , "Quality first, Credit first, Customer first" is the tenet by all staff of Meite !

We appreciate and cherish every chance to cooperate with you and your company !

Send an inquiry on 2,2-dimethoxypropane to Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)

Hangzhou Verychem Science And Technology Co. Ltd. is a technology based company located in the city of Hangzhou, combined with and technologically directed by Zhejiang Industry University and Shengyang Pharmaceutical College. Though Verychem is a young company, but it's a booming company with dynamic vigor and prosperous prospect. Verychem develops and manufactures latest pharmaceuticals, special fine chemicals and some of the developed projects have been technologically transferred to cooperated plants, forming one-up production scales.

Credit First, Quality First and Customer First is its forever motto. Verychem persons are willing to service for and make friends with everyone from the world, and here sincerely wish the world become more peaceful, with more health, and better.
Send an inquiry on 2,2-dimethoxypropane to Hangzhou Verychem Science & Technology Co., Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, Hangzhou Zhongqi Chem Co.,Ltd is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries.

Our advantage :
1.We do not simply provide chemicals, we provide chemical solutions and expertise;

2.We have trained, highly effective team to solve the problem at the first time;

3.Our QMS (quality management system) ensures the product quality strictly;

4.Strong research and development capability for contract manufacturing.


Send an inquiry on 2,2-dimethoxypropane to Hangzhou Zhongqi Chem Co., Ltd

Horay Industry Co., Ltd. founded in 2013,which is located in the beautiful coastal city Qingdao. It is a technology-based production enterprise integrating R&D, production and sales of fine chemical additives, surfactants, solvents and catalysts,etc. Our company strictly controls from raw material procurement to product delivery to ensure that product quality meets relevant standards. Horay also actively establishes cooperation with higher education institutions and research institutes,with strong technical support,complete production facilities,and a high-quality production management team, casting a demonstration enterprise for the new generation of chemical additives industry.

By leveraging the geographical advantages of Qingdao Port, our various series of products are exported to Asia, Europe, and the Americas, we established a mature procurement system and marketing network for our customers. We adheres to the corporate philosophy of “Excellent in quality Sincere in heart”, and we are dedicated to service customers with excellent solutions. We sincerely look forward to working with our customers to create brilliance together! We warmly welcome guests and friends from all walks of life at home and abroad to visit and patronize us, seek common development, and grow and progress together,grow and progress together!
Send an inquiry on 2,2-dimethoxypropane to Horay Industry Co., Ltd.

Kingreat Chemistry is an independent company which was founded in 2003 with the
aim of supplying a wide range of fine chemicals and intermediates to various
industries throughout the world. We have much experience in supply of complex
chemicals to a multitude of industries, covering pharmaceuticals, Agrochem,
Painting & Coating ,Plastic addtives.

Send an inquiry on 2,2-dimethoxypropane to Kingreat Chemistry Company Limited

Krada CPS Industry S.L. Is a growing distributor company in Spain. We trade chemical raw materials for factories, laboratories both in Spain and throughout the European Union. We are happy to process your requests.
Send an inquiry on 2,2-dimethoxypropane to Krada CPS Industry S.L

LEAPChem, a specialized fine chemicals supplier for research, development and production.
LEAPChem provides nearly 5,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities.
As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner.
Our client list includes many major pharmaceutical and science companies, universities, research institutions and chemical catalogue companies.
Methodology: Sound and Stable;Active and Innovative.
Attitude: Conscientious; Ingenious.
Goals: Customer’s Satisfaction
We regard client’s success as our success.
At LEAPChem we strive to be the preferred supplier for efficiency increasing and cost lowering in your Research&Production.
To achieve this strategic vision, we always push ourself to exceed our customer's requirement. By focusing 'Beyond Your Expectation' we continually expand our product line, enhance our systematic management and human resources.
Welcome to contact us and we look forward to becoming your preferred partner.


Send an inquiry on 2,2-dimethoxypropane to Leap Chem Co., Ltd

Lori industry Co., Ltd was established in 2002 years. It is a large-scale manufacturer integrating R&D, produce and sales. Our products mainly cover fine chemicals, organic intermediates, biological buffers, agricultural fertilizers and other chemicals .

Among them, the sales proportion of organic chemicals and agricultural fertilizers is at the forefront of the domestic market. From 2013 to 2022 years, through cooperation with foreign trade companies, customers visitation, Participating in international exhibitions and other forms, the international export volume is increasinga lot day by day.

Based on our equipment and on our quality control we offer custom manufacturing based on secrecy agreements, e Custom research is offered to a certain degree, as well. Please let us have your inquiry.



Send an inquiry on 2,2-dimethoxypropane to Lori Industry Co., Ltd

Merck Schuchardt OHG, a 100% subsidiary of Merck KGaA, Germany, has, for the last 150 years, been one of the leading German producers and suppliers of organic intermediates, fine chemicals, reagents and solvents for laboratories, medium-sized and bulk production.
Send an inquiry on 2,2-dimethoxypropane to Merck Schuchardt OHG

OPQ Chemical is a high tech enterprise,located in China Spring city(Jinan).Mainly engages in the development and production of phenolic and quinones,additive agents, dying stuffs, and pesticide intermediates,and also has been involved in other fine chemicals,cosmetic raw materials etc.And actively practices the business philosophy of "MY heart, let you feel more assured".
OPQ has international advanced production technology and equipment, the company's marketing network throughout the world, products exported to Europe, the Americas, Asia, Africa, many countries and regions

At present, we are highly appraised and recognized by customers, investors and society for outstanding research and development ability, strict quality control, perfect products and service and excellent credit. We have successfully established closely cooperative relations with customers in past several years.
Keeping developing creative products, insisting on efficient and environment-friendly scale production, and world-wide marketing strategy, and combining with our experienced management team, we now have formed a systemic core competency.
We firmly believe that customer’s success is our success, and devote ourselves to building a long-term relationship with all the friends globally.

Send an inquiry on 2,2-dimethoxypropane to OPQ Chemical Co., Ltd

Refine Chemical Co.,Ltd. is a manufacturer and exporter for chemical material. We have diversified activities in R&D, application development, production, sales and also trading. Our factory was established in September of year 2000 with total area 150,000 square meters, we specialize in the business of organic intermediate, daily chemical, chemical additive, and fine chemicals. Our company has passed ISO9001, ISO14001 quality and environmental management system certification.

With the increasing of export business, our exporting company was established in the year of 2015. In the past 7 years since its establishment, we have won many high-quality customers ranked high in the industry with high-quality products, first-class services and most competitive prices. Our products are exported to Japan, South Korea, Europe, the United States, South America, Southeast Asian countries, and have been highly praised by customers.

We also have an international procurement team to engage in procurement of chemical engineering materials in China for international companies. Based on our considerate service and strict quality management procedure, we have assisted many foreign large-scale companies in completing the procurement of various chemical engineering products, and got high evaluation.

We will be always committed to becoming the best choice for customers in chemical industry
Send an inquiry on 2,2-dimethoxypropane to Refine Chemical Co.,Ltd.

Sancai Industry is involved in supplying of fine chemicals, food and nutrition,personal care, medical intermediate etc, We can also customize chemicals for our customers.Taking advantage of innovative technology and excellent talents and through over 15 years of development,We have stabled good relation with clients in and abroad.

In order to be competitive on the market. We have established the global marketing network, independent research center, testing center, and key product manufacturing plant. Our plants all produce the products in strict accordance with ISO9001: 2000 quality management syste. Best quality product is the root of our survival.

We take “Honesty,Unity,Innovation,Progressive”as our business spirits.“Reliable quality and excellent service” is our commitment to every customer, We are always dedicated to provide customers with what they need reliable products and quality services. “Win-win cooperation”is our goal to get with our clients. We insist on taking “SC” as a brand for the chemical leader.
Send an inquiry on 2,2-dimethoxypropane to Sancai Industry Co.,Ltd.

Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand.

Santa Cruz Biotechnology, Inc. is focused on the ongoing development of research reagents. It is our goal to continue to offer the broadest range of reagents in the field. We also provide superior, innovative primary antibodies and support products.


Send an inquiry on 2,2-dimethoxypropane to Santa Cruz Biotechnology, Inc.

Shandong Lanhai Industry Co., Ltd established in 2015. The headquartered located in the beautiful Spring city Jinan. The company's factory is located in Coal Chemical Industrial Park, Juye County, Heze City Shandong province.Lanhai Industry is a high-tech enterprise in Shandong Province. The company integrates science, industry and trade, specializing in the research, development, production and operation of fluorosilicone products, OLED intermediates and agricultural fertilizers. At the same time, it is also committed to the production, import and export business of cosmetic raw materials, pharmaceutical intermediates and other fine chemicals.

Shandong Lanhai Industry Co., Ltd. always adheres to the principle of "quality first, customer first, reputation first" to provide customers with high-quality products and services. We sincerely look forward to cooperating with you from all over the world and seek common development for the better world!

Send an inquiry on 2,2-dimethoxypropane to Shandong Lanhai Industry Co.,Ltd.

Minglang Chemical is owned by Minglang Group,is a large manufacturer of fine chemicals and cosmetic materials that integrates R&D,production and sales together.It is located in the east of the Nanwang Economic Development District in Linzi,and the west of it is Qilu Petroleum Chemical Group,the east of it is Zijiang Road and the transportation is convenient.The enterprise covers an area of 9,000 square meters and the building area can be 3,200 square meters. In recent years,the company has made a major breakthrough in food and feed additives,plant extraction,industrial chemicals industry.Minglang Chemical, which have passed the ISO9001&ISO14001 quality system certification, with products sold to several dozens of countries and regions in North and South America,Europe,Asia,Australia and South Africa,hence enjoying extremely high reputation and popularity on the international stage.The Company also boasts a team of professional talents engaged in chemical management,production,R&D.We had been cooperated with Tianjing University and Shandong University on more than ten projects for years and which had been in mass production on the market. We now have more than 80 people in our team and built research center in Tianjin and Jinan.
The business philosophy of the enterprise is'to be innovation, and outstanding' and the management philosophy of it is 'First class products, management, service and talents' and the goal of the enterprise is'quality first, superior service, strict management and top the credit'.The enterprise is looking forward to cooperating with the friends both at home and abroad to seek development and bright future.

Send an inquiry on 2,2-dimethoxypropane to Shandong Minglang Chemical Co., Ltd

Shandong SanYoung Industry Co., Ltd is a scientific and technological company specializing in research and development, cooperative production and sales of chemical products. The company's main products include: photoinitiator; light stabilizer; polymer retardant; ultraviolet absorbent; fine chemical products and pharmaceutical intermediates, we can also customize chemicals for our customers. Our company has a large number of customers with good reputation at home and abroad, and maintains good cooperative relations with them. The company's market includes the United States, European Union countries, Japan, South Korea, India, Thailand, Canada and other countries.
Welcome to your inquiry. Hope to have chance to give you our best support.

Send an inquiry on 2,2-dimethoxypropane to Shandong SanYoung Industry Co., Ltd

Our purpose is to solve the toughest problems in life science by collaborating with the global scientific community – and through that, we aim to accelerate access to better health for people everywhere.

We provide scientists and engineers with best-in-class lab materials, technologies and services. With the 2015 combination of Merck Millipore and Sigma-Aldrich, we now have a broad portfolio of 300,000 products and an expanded global footprint.

We are dedicated to making research and biotech production simpler, faster and safer.

Send an inquiry on 2,2-dimethoxypropane to Sigma-Aldrich International GmbH

Your partner in China for chemicals business.
Expertize in supplies and sources of fine, specialty, pharmaceutical chemicals and intermediates.
WE offer high quality products and JIT services with instant market intelligence in China, custom synthesis in our 3 production sites, famous principals as Brenntag, Univar,S inopec, Grace, Petrobras, DKSH, Formitex, Evonik, Merck, TCI, Sanofi, Chemo with creditable reputation and business cooperation.


Send an inquiry on 2,2-dimethoxypropane to Simagchem Corporation

Skyrun Industrial Co.Limited, established in 2003, a state-controlled company (By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing raw pharmaceutical material and intermediates. We have expanded a compositive entity from initially only as a small manufacturer. We have extensive knowledge of domestic and international pharmaceutical markets. Our working range can be start from small amount in research stage to big bulk for industrial production.
Send an inquiry on 2,2-dimethoxypropane to Skyrun Industrial Co., Ltd.

Unilong Industry Co.,Ltd. is a growing high-tech chemical enterprise, and located in Zibo Zhangdian chemical industrial park of Shandong province. Now Unilong company already is a world leading professional manufacturer and distributor for fine chemicals materials.

With the development of society, more and more people pay more attention to environmental health.In recent years, we are engaging to expand new materials field and also set up a researching team, particularly for the fields of nutrition, health/daily care chemical materials.

We sincerely hope our first-class quality, professional service and various products composition will be the strongest backup for all our valuable customers.
Send an inquiry on 2,2-dimethoxypropane to Unilong Industry Co.,Ltd

Welcome to Equation chemical, your reliable partner in China as an important supplier of bulk specialty chemicals for industry & life science. We are committed to provide experienced high quality product and JIT performance to benefit our customers.
Send an inquiry on 2,2-dimethoxypropane to Xiamen Equation Chemical Co.,Ltd

Xingrui Industry CO., LTD. is a professional manufacturing enterprise integrating R&D, production and sales. The products involved fine chemicals, pharmaceutical intermediates, dye intermediates, cosmetic raw materials and so on. The company is ranked among the outstanding producers in the fine chemical industry.

Xingrui Industry always strive to be the most reliable partner of our customers, and strive to build a customer-trusted, socially respected, world-class fine chemical production enterprise!

Xingrui Industry, trustworthy! Look forward to working with you hand in hand to create brilliant!
Send an inquiry on 2,2-dimethoxypropane to Xingrui Industry Co., Limited

Zehao Industry Co., Ltd. (“Zehao”) established in 2010, is a key chemical manufacturer and supplier in China. We are engaged in supply high quality pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. We also customize high value-added chemicals and intermediates for the customer.

Send an inquiry on 2,2-dimethoxypropane to Zehao Industry Co., Ltd.

Zouping Mingxing Chemical Co.,Ltd. established in 2002. It is one of subsidiary company of Shandong Liangzou Mining Group and covers the floor area of 48000 square meters, with the total investment of 350 million yuan. Now, the company has 56 professional technicians and long-term invites doctor and postdoctor to guide the works, mainly produces more than 100 kinds of pharmaceutical intermediate,pesticide intermediate,flavor & fragrance materials and textile auxiliary agent materials such as diallylamine, allylamine, triallylamine, dichloride, allylalcohol, allylacetate, allylcaproate, allylphenoxyacetate, allyl heptylate，Isopropyl Acetate, Acetyl acetone，allyl bromide，dibromomethane， 1,3-Propanediol, 1,3-Dichloropropane, 1-bromo-3-chloropropane, 1,3-Dibromopropane, 3-Chloro-1-propanol, 3-Bromo-1-propanol, N-methyldiallylamine, N-methylallylamine, etc.
So far, the company have 15 workshops and produce over 40000ts chemicals yearly.we have enough capacity to supply you and establish the steady cooperation relations. Moreover, we can help you produce the product that you need based on the technology cooperation and our equipments.

Send an inquiry on 2,2-dimethoxypropane to Zouping Mingxing Chemical Co., Ltd.