AptoChem specializes in the custom synthesis of stable labeled (D, 13C, 15N) and radiolabeled (14C) reference standards, test articles, pharmaceuticals and their metabolites. Our scientists possess years of experience and have synthesized challenging...

In order to ensure the optimization, well-operation, reasonation and matching between EPC resin and equipment, and make make users more satisfied and assured, our company, in 1997, founded a supporting equipment manufacturer with a annual processing ...

we provide:fuel products for transportation,energy, heat and light,lubricants to keep engines and industries moving,petrochemical products for use in day-to-day trivial products and high-range products including paint, clothes, and packaging – to nam...