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
Roy Gostar Jam is producing different kinds of specialized, high quality Zinc Oxide and ingot according to customer needs specifications by using latest technology with a suitable price.
Roy serving big customers since 1998. With the effort its specialized human resource management, ...
Telephone:98-21-8769143
Address:No.5, 7th Alley, Nowbakht St., Apadana Ave