Henan Kaifeng High Pressure Valve Co., Ltd. (formerly Kaifeng High Pressure Valve Factory) was founded in 1959. It is a large backbone enterprise that produces and operates high and medium-pressure valves. It is the vice chairman unit of China General Machinery Association. It is a product design and development and model. An all-round enterprise that produces, casting and forging parts, machining, and complete assembly to performance inspection and testing.

The company was restructured at the end of 2003. In December 2007, China Valve Holdings Co., Ltd. (Zhongval Technology), which is mainly composed of Kaigao Company, successfully entered the US capital market and was transferred at the Nasdaq headquarters on December 23, 2009. The motherboard bell ringing ceremony laid a firm foundation for the continuous and rapid development of Kaigao Company.

The company covers an area of ​​262,000 square meters and has a construction area of ​​90,000 square meters. The company has registered trademark "Open Valve Card". The company currently has 900 employees in the factory, 180 engineering and technical personnel, and 67 senior engineers.

The company has 1,130 equipment, including 570 main production equipment, including the resin sand boxing molding line introduced by IMF, 2 3-ton arc steelmaking furnaces, 40-ton microcomputer controlled thermal external furnaces, CNC machine tools, Co60 ray control Injury aircraft and the introduction of German OBLF's pre-furnace rapid direct read spectrum analyzer and other important advanced equipment.

The company's main products include gate valves, shut-off valves, throttle valves, check valves, water pressure test valves, air-exhaust check valves, safety valves, ball valves, plunger valves, butterfly valves, etc., with more than 10,000 specifications, mainly Materials include carbon steel, stainless steel, heat-resistant steel, low temperature steel and stainless steel, etc. Nominal pressure PN2.5~PN760, 150Lb~4500Lb, and the use temperature is –196~1100℃. The products are widely used in thermal power, petrochemical, nuclear power, metallurgy, Water conservancy and other industries. The company's product sales cover the whole country and are exported to 30 countries and regions including Asia, Africa, Europe, and the United States.

The company has always followed the tenet of "quality first and reputation first", conscientiously implemented comprehensive quality management, and established a quality assurance system and after-sales service network. Establish experimental facilities such as metrological testing, non-destructive flaw detection, product process and performance testing, and complete testing methods. It can be designed and manufactured according to the American ANSI, ASME, API standards, Japanese JIS, E101 standards, and British BS standards. It has successively provided tens of thousands of power station valves for many domestic power plants (1000MW, 600MW, 300MW, 200MW and below units), and most of them are used in key system parts.

The company will treat all customers at home and abroad sincerely with excellent and reliable product quality, reasonable price and high-quality service.