Hangzhou Sunflower Technology Development Co., Ltd. was established with the leadership of Professor level senior engineer Wu Jiaxiang, who is also a famous scientist and the creator of PVP in China, and it has been approved as a high-tech enterprise by Zhejiang provincial government. The company is located at Hangzhou High-tech Industry Development Zone, and there are many senior technical professionals, young experts and sales masters. The company has several dozen years of experiences of technical innovation, project development and marketing, has mastered several dozen special techniques about chemical production. The most outstanding technique is production of PVP product series and synthesis of PVP middle products. It is the best in China now after 25 years of technical development and industrialization.



   We have four main PVP series products, including homopolymers,  copolymers, crosspolymers and complexes with more than 20 products.



For instance:PVP K15,K17,K25,K30,K60,K90,PVP VA64,VA73,VA37,PVP-Iodine,Crospovidone(PVPP),etc. All the pharmaceutical grade above respectively comply with CP2000, USP26.