Manufacturer of chemicals for nearly 50 years in China, we have obtained ISO9001,ISO14001,and OHSAS18001 certificates. We supply the following products,including Polyvinylpyrrolidone(Pvp), N-methyl-pyrrolidone(NMP), Sorbitol, 2-pyrrolidone(2-P), gamma-Butyrolactone (GBL),etc. Our products are exported to many countries all over the world, very popular with our costomers.