Invested by WeiFang YaHe group, zhuCheng zhongXin industry & trade Co.,Ltd was established in 2007, located 150km from Qingdao. As a fine chemical company, we produce the effective collects and depressors. It has 1000MT/year capacity of IPETC(isopropyl ethyl thionocarbamate),activity can be 98%min and 4000MT/year capacity of STGA( sodium thioglycolate),activity can be 18%,20%,30% and 40%. Our products are widely used in copper mine and other non-ferrous mining industry. We also market other mining products produced by ZiBo factory of our YaHe group, Which has 8000MT/year capacity of Xanthates, 2,000 MT/year capacity of Dithiophosphates and 1000MT/year capacity of Dithiocarbamates. Another mining reagents We also market, 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.