www.retronbiopvp.com
Zhejiang Retron Biotech Co., Ltd. is committed to R&D, mass production and global business of 2000 tons of polyvinylpyrrolidone (PVP K series), 500 tons of crospovidone (PVPP), 1000 tons of PVP-I, VP/VA64 and other related copolymers.
