斗转星移合成怎么进不去,a级片电影免费在线视频,九九热这里只有精品6,免费吃奶摸下激烈视频网址,国产麻豆a一级毛片爽爽影院,波霸女的淫欲生活,孽乱呻吟声老妇

  Shanghai welltone materials co., ltd.
   About us
       About us
       Products
       Buy
       Sell
       Contact us
       Chinese

Shanghai Welltone Material Technology Co., LTD is a recognized globally specialized technology enterprise since 2002, 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.


Dimethylamine ethyl methacrylate (DMAEMA) is widely used for adding coatings and adhesive formulations. Increasing its hydrophilicity, adhesive and thermosetting, improving the performance of dyes, pigments and coloring properties as antistatic agent, dyeing auxiliary, lubricant additives.



Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.