Weifang Menjie Chemical Co., Ltd., founded in 1993, At present, the company has a 2-ethylanthraquinone plant of 3000 tons/year with independent intellectual property rights, which has reaches the advanced technological level in China. In addition, it is complete with supporting plants, such as anhydrous aluminium trichloride plant of 2,500 tons/year, polyaluminium chloride plant of 20, 000 tons/year, magnesium sulfate plant of 100, 000 tons/year, we have ISO9001 AND ISO 14001.