Meishan, Sichuan Meishan Tianhe Chemical Co., Ltd. is a manufacturing and sales market of the private sector to produce the "River and" brand sodium sulfate (anhydrous sodium sulfate), 兼营 soda 
 , Sodium sulfide, phosphate and other chemical products. In addition to according to national standards GB/T6009-2003 Ⅰ class other than first-class products, but also according to customer requirements with low PH value 6-8, low chlorine, low magnesium, high purity of the neutral sodium sulphate. Two hundred and fifty thousand tons annual sales, the production of "River and" brand sodium sulfate sold throughout the country and exported to South Korea, Singapore, Malaysia, Taiwan, Hong Kong and other countries and regions, by the users. The company has import and export right, in Lianyungang, Shanghai, Zhenjiang, Nantong Port, Tianjin Port and other ports with the cash, they can always meet customer demand.