Langfang Yi Shun Valve Valve Co., Ltd. is a research, production and sales of integrated enterprise. In recent years focused on the development and production of flow control valves, pressure regulating valves, decontamination, static balance and so on. Some products have obtained 12 national patents, products have been building for the Ministry of Construction Products, designers preferred products. And has been the national key projects selected. The company in 2008 to participate in the self-operated flow control valve with national standards, self-pressure control valve industry standard preparation. Some products in order to get 12 national patents, products are positioned Construction Construction Products, and has been the state's key projects selected. The company has the casting, processing and assembly, quality inspection, flow calibration, etc. And hired a number of well-known experts and professors as technical advisers, and constantly improve the technological content of products, develop new products, technology becomes visible, for social services. The main product models: a flow control valve DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125 German standard ductile iron resilient seated gate valve RVHX / Z45X-16QF4, rising stem resilient seated gate valve RRHX / Z41X-. 16Q, digital lock balance valve SP45F-16, operated flow control valve ZL47F-16, the groove handle butterfly D81X-16, the groove turbine valve D381X-16, butterfly D71X-16, and so on ....