Nozzle accessories include pipe threaded fittings, solenoid valves and liquid filters and pressure gauge fittings. The main manufa...

Sealing is to prevent leakage, so the principle of valve tightness is also studied from leakage prevention. There are many types of valves, but t...

O-rings are rubber rings with an "O" shape in cross section. It is widely used in hydraulic and pneumatic transmission systems. It is mai...