Shandong Synmiway Chemical Group Co., Ltd.（Shandong Qingyun Changxin Chemical Science-Tech Co., Ltd）

　　Shandong Synmiway Chemical Group Co., Ltd. is a group company established through related diversification development with Shandong Qingyun Changxin Chemical Science-Tech Co., Ltd. (Changxin Chemical) as the base.
　　Changxin Chemical is a chemical entity enterprise specializing in producing 1-Methyl-2-pyrrolidone (NMP),α-pyrrolidone (α-P), gamma-butyrolactone (GBL) and other series products. Qingyun Xinyuan Chemical Science-Tech Co., Ltd. is an entity enterprise established to recycle the by-product hydrogen generated in the process of GBL produ... [Detail]