欧美性爱城-欧美性爱大片网址-欧美性爱导航-欧美性爱第1页-欧美性爱-第1页-欧美性爱第八页-欧美性爱第二区-欧美性爱第二十页-欧美性爱第二页-欧美性爱第九页-欧美性爱第六页-欧美性爱第七页

Shanghai YixiangChemical Co., LTD is a recognized globally specialized technology enterprise since 2014, for developing, manufacturing and marketing Polyvinylpyrrolidone (PVP/Povidone) series products and other pharmaceutical raw material. Full sets of equipments are in line with GMP requirements strictly. The quality of products is up to USP, CP and EP standard.

Polyvinylpyrrolidone (PVP/Povidone) series products are high performance, versatile polymer widely used in pharmaceutical raw material, cosmetics ingredients, beverages, synthetic resins, detergents, paints and other fields. Including PVPK Series, PVP copolymer and other VP / VA Copolymer Series, PVPP (cross-linked PVP), PVP-Iodine complex (Povidone-Iodine), NVP monomer, N-Methylpyrrolidone (NMP), 2-Pyrrolidone and other related pharmaceutical raw material.