1, lpg gas cylinder valve 2, ISO Certificated 3, Tolerance:0.005~0.02mm ... , Capacity:0.5~1020mm 5, Delivery:on time lpg gas cylinder valve About usYaopeng was founded in 2005 as a leading ... : 1M*2M(the maximum tonnage:300T) Specification 1) Material: Steel, Brass, Copper, Stainless steel, Plastic, Aluminium, POM, Delrin, Titanium Alloy etc ...