Durability  :  Valve core adopts the anti-high pressure material and installs additional sealing components,so the gas   tightness is good ;The pressure barrel goes  through 5 million times of life test of durability and ischarge                       pressure before leaving the factory.

Resistance of high voltage :  each of the products goes through 1MP experiment of resisting the vltage before         leaving the factory,and it will not burst at the highest voltage  of 2 MP,which ensures                                                       that the clients can use it at ease.

 Good quality  :  The outside barrel adopts the imported and modified PP raw materials,and the rubber pnumatic bag  adopts the imported butyl rubber,which live up to the various indicators.