PER Water Treatment Co., Ltd. is a major supplier of water solutions, which is located in high-tech industrial zone in Changsha city, Hunan Province. It has been engaged in development, sales and services of water purification system for many years, with great experience in this field. The company combines the advanced technical outcome and actual quality of each countries local water source to develop the pure water and ultra pure water system, and providing the best solution to each client. As a specialist in technology of reverse osmosis and ion exchange, the company aims at providing clients with high quality products and service, which are widely used in laboratory, healthcare, industry, household and commerce.