NEP

Puyang Guangming Chemicals Co., Ltd. is China's largest N-methyl pyrrolidone series product specialized manufacturer, but also the high-tech enterprise who can produce the only capacitance level (99.9% min) 纬-butyrolactone (GBL).

The company uses 1,4 - butanediol dehydrogenation process route to 纬-butyrolactone (GBL) for the intermediate to produce pyrrolidone series products as the main body, N-methyl-pyrrolidone as the leading products. The production and sale of 纬-butyrolactone (GBL), N-me... View more >>