Shandong Qingyun Changxin Chemical Science-Tech Co., Ltd. is specialized in manufacturing 1-Methyl-2-pyrrolidinone (NMP) and gamma-butyrolactone (GBL) series. Located Province, China, we enjoy convenient access to major transportation networks.
Dedicated strict quality control ...
Telephone:86-534-3868699
Address:No. 1689, Donghuan Road, Qingyun County