ZhuCheng ZhongXin Industry & Trade Co., Ltd was established in 2007, located 150km from Qingdao, we specialize in manufacturing Mining Chemicals with good quality control system:effective mining collectors , depressors and frothers, and the products are widely used in copper mine and other non-ferrous mining industry. The capacity of factory as follows for your information: 1, 000MT/year capacity of IPET(isopropyl ethyl thionocarbamate), activity can be 98% .4, 000MT/year capacity of STG( sodium thioglycolate), activity can be 18%, 20%, 30% and 40%. 8, 000MT/year capacity of Xanthates. 2, 000MT/year capacity of Dithiophosphates. 1, 000MT/year capacity of Dithiocarbamates. We also market other mining reagents such as Frothers, Depressors, Flocculants etc. and provide professional correlative service. We would like to be the reliable friend of both end users and distributors. lch(at)zx-chem(dot)com(dot)cn