The high technological enterprise of Jianghe Tianrongsi Fiber Co., LTD. is the first professional one to take use of originally unique technology in Chinese textile field to manufacture and supply soybean protein fiber with the largest scale in the world. The company has set up six production lines, with the output of soybean protein fiber 9000 tons per year and daily supply of soybean protein cut fibers 30 tons with types of cotton spinning, wool spinning etc. As a professional manufacture of new fiber, Jianghe is devoted to providing excellent products. Through incessant investment and renovation, and incessant improvement, it has formed a full index system for technology and assurance system for product quality. Full inspecting measures, excellent equipments and strict management assure the product quality to be far ahead in the same industry. In order to guarantee the quality stability, our company takes the lead in using DCS auto controlling managing system in production and management of soybean protein fiber. Advanced devices, instruments and control ways are adopted to make real-time and dynamic monitor of all manufacturing processes, which effectively ensure the quality stability of fiber product and provide the guarantee for following procedures.