Wensan, Hangzhou, Zhejiang, China,
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 creator PVP in China. The company has 25-years-experience man ufacturing ...
PVP K15,K17,K25,K30,K60,K90,PVP VA37,VA64,VA73,VA55,PVP-Iodine,PQ11,crospovidone,etc.