Beijing Zhonghanghua Safety Valve Co., Ltd. was established in 1998 and is specialized in the sale of safety valves and specialty valves designed and manufactured by Beijing Aerospace Propulsion Institute Pressure Relief Branch. Based on our philosophy of People Oriented and focusing on providing first-class services and products for customers, our company has already developed as one of the most important suppliers of safety valves and specialty valves. By our continuing development, our products not only have been widely used in most domestic industrial projects, but also have been accepted and installed in the industrial projects by customers from the USA, Germany, Canada and other countries and regions with excellent performance. Our parent company Beijing Aerospace Propulsion Institute (CASC) was founded in 1958, and was the first research unit in China and was involved in liquid propellant rocket engine development. In 1984, CASC started to apply aerospace ...[More]echniques to industrial product development. The products have been successfully developed, such as thermal engineering equipment, special pumps, special valves, petrochemical equipment, measurement and control systems, and environmental protection systems for petrochemical and environmental protection industries. Most of them have filled the domestic gap and entered into the international market successfully. Our main products include: Safety Valves Pilot Operated Safety Valves Pressure Relief Valves Change Over Safety Valves Pressure Vacuum Valves Gas Blanket Pressure Vacuum Valves Emergency Pressure Vacuum Valves Automatic Recirculation Valves Besides above products, we are proud to mention that we are the certified manufacturer to obtain the certificates of ISO9001, ISO14001 and ISO18001, the approved vendor of SINOPEC, CNPC and CNOOC, as well as the approved manufacturer of the special equipment of Safety Valves. Our HT series pressure relief valves are strictly designed, manufactured, tested and checked in accordance with API standards and ASME codes. The inner structures of valves, along with the design, manufacture and process methods of critical parts, are designed by utilizing mature experience from aerospace technology accumulated for more than 50 years. Topping multi-position test equipment ensures the high performance and reliability of HT series pressure relief valves. Being consistently rated as one of the countryside safest suppliers, we are the preeminent leader in pressure relief service marketplace. Our HT series pressure relief devices are widely used in demanding markets, including oil production and refining, chemical and petrochemical, gas, power and other industries. Our HT series pressure relief valves have been exported in batches to Korea, Turkey, Algeria, Sudan, Bangladesh, Sri Lanka and other countries and regions. Please feel free to contact us for further information.