野外做受又硬又粗又大视频√_特大巨黑吊av在线播放_久久久久亚洲av成人片乱码_乌克兰粉嫩xxx极品hd_丁香五月缴情在线

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.

In 2014, Shanghai YixiangChemical Co., Ltd. was established in Shanghai, specializing in the sales of PVP series products and other chemical raw materials produced by our company.

Corporate philosophy and social responsibility: Customersare able to enjoy high standards of products and services! Let people's life more healthy and harmonious!