About UsChangsha River Chemical Factory, formally called Changsha Zinc Sulphate Factory, incorporated in 1999, is a factory specialized in producing zinc sulphate monohydrate powder and granular.t. The factory located in Zhentuo town, Liuyang, Hunan, China, covers an area of about 24.8 acres with the total investment more than 10 million RMB. With annual production capacity of zinc sulphate monohydrate powder over 18000 tons, of zinc sulphate monohydrate granular more than 6000 tons, our plant is one of the largest manufacturers of zinc sulphate monohydrate in China. In 2007, we passed the ISO 9002 quality system certification, ISO 14001 environmental management Authentication system and GB/T28001: 2001 Occupational Health and Safety Management Certificate. Now, we are applying for HACCP and GMP certificate, and expect to pass them in near months.We believe ‘Quality is the first lifeline’. In the past years, we have been insisting on winning the market by good reputation and steady quality. Our factory has established strict quality management system according to the ISO9001:2000 requirements, and taken strict quality control for every stage of production including raw materials, semi-finished products and finished products. Our products enjoy good reputation through-out both domestic and foreign markets, and are sold well in China and exported to Europe, America, Oceania, Middle East and other countries and regions.一、企业简介   长沙湘和化工厂位于浏阳镇头镇，工厂占地面积110亩，总投资额1000万元。
建有年生产能力18000吨粉状硫酸锌和6500吨的颗粒硫酸锌生产线。
公司于2007年通过了ISO9001:2000,ISO14001:2004和GBT28001:2001认证。
公司现正在进行HACCP认证。
　二、质量管理　　质量是企业的生命，我厂一向坚持以良好的信誉和过硬的质量来赢得市场。
为此，我厂不断积极的学习国内外先进的管理方法和管理模式，并拥有包括示波极谱仪在内等先进检测仪器的实验室和娴熟的质检员。
并以“质量第一顾客至上”为质量方针。