1, lpg gas cylinder valve 2, ISO Certificated 3, Tolerance:0.005~0.02mm 4, ... :0.5~1020mm 5, Delivery:on time lpg gas cylinder valve About usYaopeng was founded in 2005 as a leading manufacturer ... .3) Processing equipments:CNC machining center, CNC lathe, grinding machine, automatic lathe machine, conventional lathe machine, milling machine, drilling machine, EDM ...