Company Profile
Kaifeng Dongli High Pressure Valve Casting Co.,Ltd. is located in Kaifeng Economic and Technological Development Zone and covers an area of 32,000 square meters. It has a total staff of 160, and including 26 high and middle engineers and technicians. The company was founded in 1996,it’s consisted of Kaifeng Dongli Corporation, Kaifeng Liangshun Power Station Valve Company, Kaifeng Wanxi Grinding Tool Factory. Kaifeng Liangshun Power Station Valve Company grew out of Kaifeng High Pressure Valve Factory Casting Branch, the casting technology of high temperature and pressure is introduced from Japan Okano in 1985.








main production equipment
The company is the professional business which producing valves steel casting and valve products. The Company has annual production capacity of 6,000 tons of steel casting. It is one of the strongest professional casting enterprises in China. Our products are widely used in the area of electric power, petroleum, chemical, steel and coal industries etc.
Main Production Equipment: 5T medium frequency furnaces, 2.5T medium frequency furnaces, 0.75T medium frequency furnaces, the resin sand flask molding lines with German technology, multiple shot-blasting machines, heating treatment furnaces, full set of model making and excellent mechanical processing equipment.








Main inspecting equipments
Detection Methods: SPECTROMAXx Metal Analyzer, Co60 γ-ray Flaw Detector, X-ray Flaw Detector, Magnetic Particle Testing, Ultrasonic Testing, Penetration Testing equipments, Metallographic testing equipments, and Mechanical properties test equipment etc..
Materials: Carbon Steel, Heat Resistance Steel, Stainless steel, mainly including WCB、WCC、WC1、WC6、WC9、WB36、LCB、LC3、LCC、CF8、CF8M、CF3M、CF8C and Cr、Mo、V steel.
Product Parameters: Working temperature:-196°C~650°C
Mpa:150Lb~4500Lb
Valve Bore Diameter:50mm~1300mm(2"~50")
Maximum Weight per unit: 6 tons














Technological innovation
The company has gathered a dynamic R&D, design and process team. We use advanced 3D modeling software, process simulation and stress analysis software. The reliability of the process is verified in advance. It reduces and avoids shrinkage, cracks and other defects effectively, improves the success rate of new product development and shortens the development cycle of new products.



