High-end equipment manufacturing locks five industries

Equipment manufacturing industry is a strategic and basic industry that provides technical equipment for various industries of the national economy and national defense science and technology industries. It is an important guarantee for industrial upgrading and technological advancement in

Valve classification

Wide range of valves, a wide range of classification methods are more. The total can be divided into two categories: The first type of automatic valve: relying on the media (liquid, gas) their own ability to operate the valve. Such as check valve, safety valve, regulating valve, steam trap, pressure