... supply 4,good monomer pvp k90(pharmaceutical ,dyestuff)specification:Zhangzhou huafu chemical co.ltdThe company set up time2009The company ... R&D and process development on advanced PVP chemical products and today is recognized as a major ... polymers for pharmaceuticals, wine, beer, beverages, cosmetics, textile, dyestuff building material, paintings, printing ink, Polymer ultra-filtration membrane, ...