Jiaozuo Zhongwei Chemical Co., Ltd. is specializing in researching & developing, manufacturing and trading enterprise for Polyvinylpyrrolidone(PVP) in China, with the advanced equipments, we can produce 6,500 tons annually for N-vinylpyrrolidone, PVP and related complex compounds. Zhongwei Chemical enjoys good location with perfect equipments and inspection facilities. The experienced technicians, managers and salesmen have formed a strong worker- team. We now have established strict QC system, and our products can meet USP30, EP5.0 and BP2005; moreover, we are applying DMF/COS & FDA certificates for them.