Boai NKY Pharmaceuticals Ltd.(NKY,stock code:300109)was the first domestic company to develop and manufacture polyvinylpyrrolidone(PVP)series & PVM/MA Copolymer series products in China, NKY has become the largest Chinese producer of PVP's and third largest globally. Main products,GBL, 2-P,NVP,PVP K series,VP/VA copolymer series, PVP-Iodine, PVPP, PVM/MA copolymer, and NVCL, TBVE etc. intermedia chemical products.