Shandong Anze Speical Gas is professional and specialied in production of high purity and high press special gas such as Argon gas, Helium gas, CO2, CO, hydrogen, nitrogen and others. After development and improvement of over 10 years, we have built strong techology advantages, perfect quality assurance system, complete testing of the instruments, and we are capable of producing all kinds of ordinary industrial gases, high purity gases, standard gas, mixed gases, medical oxygen and other five series, nearly 100 varieties. We are a special gas prdouction base of annual production capacity of one million bottles. It is founded in 1958 and sponsored by the state secondary units of measurement, Shandong Province Secondary routine tests station.We won many Technology Achievement Awards and our new technology has been applied to the "East Three" and "East Five", nuclear submarines, carrier rocket, "Resources" scientific satellites and other key projects. We are among the earliest to develop special gas prduction and filling technology in China. We cooperated with southwest institute of chemical industry design institute in 1990 by means two sides&＃39; technology and equipment advantages to speed up the development of special gases.