vacuum valve
2.The main products of the company include the solenoid valve,pressure controller.heating expansion valve, flow controller, filter drier, adn sg-glasses,all above-mentioned conponents are used in refrigerator,heater,air compressor,air-conditioner,boiler and vacuum valve Up to now, we also research the pneumatic products and get fine feedback.
3.THE DEVELOPMENT OF A BAKEABLE ALL-METAL ULTRAHIGH VACUUM GATE VALVE WITH NOMINAL BORE 150 mm
4.A pressure-and-vacuum vent valve is a kind of important adjunct,which pressure testing relates to its security and reliability.

