for the following products
3-Ethoxycarbonyl-5-hydroxy-1-sulfolanylpyrazole and Ethyl 1-(1,1-dioxidotetrahydrothiophen-2-yl)-5-hydroxy-1H-pyrazole-3-carboxylate
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 go...
