for the following products
2-((2-Oxo-2-((2-oxotetrahydrothiophen-3-yl)amino)ethyl)thio)acetic acid | Erdosteine and 2-[[2-Oxo-2-[(tetrahydro-2-oxo-3-thienyl)amino]ethyl]thio]-acetic acid
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 rese...
