Shandong Qingyun Changxin Chemical Science-Tech Co., Ltd.

Shandong Qingyun Changxin Chemical Science-Tech Co., Ltd. is specialized in manufacturing 1-Methyl-2-pyrrolidinone (NMP) and gamma-butyrolactone (GBL) series. Located in Shandong Province, China, we enjoy convenient access to major transportation networks.
Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. Equipped with the combination unit of 10,000 T/A of gamma-butyrolactone and 10,000 T/A of 1-Methyl-2-pyrrolidinone, we now are the biggest and leading hi-tech manufacturer of GBL and NMP in China, with the lowest prices and the best quality.

Up to now, we have got certificates of ISO9001 and SGS (RoHS, New Restricted Substance and non-halogen). As to Reach Registration, we are now in the stage of SIEF. Because of manufacturing characteristics of products, we adopt DCS to supervise and control all procedures of production, providing a strong gua... [Details]