Weifang JS Trading CO.,LTD Weifang JS Trading Co., Ltd. is a global chemicals trading and manufacture company headquartered in WEIFANG CITY, CHINA. Our headquarters factory Weifang menjie chemical CO.,LTD is located in Binhai Economic-Technological Development Area (a national economic and technological development zone) of Weifang. With the principle of honest and win-win trade, high quality service and sustainable development. We has established long-term and stable business relationship with many famous chemical enterprises at home and abroad, and won great support and trust from our clients. At present, the factory has 2-ethylanthraquinone plant of 3000 tons/year with independent intellectual property rights, which has reached the advanced technological level in China, aluminium chloride anhydrous 2,500 tons/year, polyaluminium chloride 30, 000 tons/year, magnesium sulfate 100, 000 tons/year, In addition, it is complete supply chain with supporting plants, such as TCCA (trichlorois