·Product features: good shockproof effect, simple installation · Product material: steel · Product use: various heavy machinery, chillers, cooling towers, fire pumps, various fans, generators, air compressors and other equipment Shanghai Dongfeng Pump Valve Factory is committed to the production and installation of pneumatic ball valves for fan air conditioners, damping ball valves and pneumatic ball valves. It has rich experience in the industry, Welcome to inquire about the supply of Dongfeng brand transformer ball valve pneumatic ball valve - air conditioning unit pneumatic ball valve - water pump pneumatic ball valve manufacturer Shanghai Dongfeng Pump Valve Factory is committed to reducing the valve noise of mechanical equipment such as fans, air conditioners, transformers, etc. Welcome to inquire