Clorpyrifos

VIWA pharma division is a professional supplier of active pharmaceutical ingredients and intermediates. We are specialized in R&D and custom manufacturing. Supported by our highly qualified team of professor and technicians, we have rich experience on a wide range of chemical reactions and fermentation from multi gram scale to hundred tons scale according to customers' requirement. Our main products are cardiovascular, anti-diabetes, anti-cancer, steroid, anti-HIV and their intermediates, especi... View more >>