Puyang Xiangtong Trade Co.,Ltd. is that Chinese N-methyl-2-pyrrolidone(NMP) professional manufacturing enterprise of the largest scale at present. Also is one new & high-tech enterprise who have the ability to produce electric capacity class gamma -butyrolactone (GBL) in the man while being only at home at present. The company produces the pyrrolidone series product as the main body, and N-methyl-2-pyrrolidone(NMP) for leads the product. Presently has 12000 mt/Annual production gamma...