Beijing aerospace propulsion institute, established in 1958, is the first and largest development base for the liquid propellant rocket engine of China . This institute has developed and designed all the engines used in the Long March series of launch vehicles which have sent over 40 domestic and overseas satellites to orbits. Beijing aerospace propulsion institute has actively been carrying out the policy, since 1984, of combining military production and civilian production by separating the civilian from the military industry. BSPC has developed special valves. Most of these products have filled the gaps in their corresponding areas and exported in batches. Authorized by China State Bureau of Quality & Technology Supervision , as the specific commission entity of National Engineering Research Center for Special pump and Valve, this institution is the quality determination center for relief valves and has drafted the Safety technical supervision regulations for safety valves. To gain more reputation, Beijing Zhonghanghua Sales corporation was established in January 1999, which is the special sales section of Beijing aerospace propulsion institute. Our institute can respond to its customers&＃039; requests fast and efficiently and believes in cultivating a diverse workforce. It strengthens our productivity and creativity, and it offers clients and employees the best chance to succeed. Innovation and entrepreneurial thinking are important parts of our culture, so our benefits plans and policies encourage growth for both the company and employees. HT11 is your best choice of pressure relief solution.