Hamwe nuburambe bwimyaka mumashanyarazi ya gazi hamwe na EN417 yometse kuri valve , Jincheng Aerosol Valve irashobora gutanga amakarito menshi ya gazi ya karitsiye hamwe na EN417 yometse kuri valve . ya karitsiye hamwe na EN417 yometse kuri valve irashobora guhura nibisabwa byinshi, niba ubikeneye, nyamuneka ubone serivisi zacu kumurongo mugihe cya gaze cartridge hamwe na EN417 ifite umugozi .Usibye urutonde rwibicuruzwa bikurikira, urashobora kandi kwihitiramo karitsiye yihariye ya gaze ya karitsiye hamwe na EN417 yometse kumurongo ukurikije ibyo ukeneye byihariye.