Rech Chemical Co.,Ltd. is a major manufacturer and supplier of Zinc sulphate powder and granular in China. Zinc Sulphate products made in China tops those elsewhere, and those made in Hunan tops that of China. Located in Changsha, capital of Hunan province, RECH CHEMICAL CO., LTD has a zinc sulphate powder factory equipped with granular production and processing line. Over the past twenty years, RECH CHEMICAL CO., LTD has participated in as well as witnessed the development of sulphate zinc. At the very beginning, the plant involved in some simple granular process, now its annual production of zinc sulphate monohydrate powder mounts to one thousand tons, while granular processing reaches eight thousand tons.We are not only the first ISO9001 ----now upgraded toISO9001: 2008--- enterprise in the industry, but also has access to FAMI- QS certificate authorized by EU, both of which lead to the upgrading of the company's management system Our products are widely used in the field of indust