... kinds of gas, such as rare gases, high purity gases, standard gases, special gases, with a wide range of applications ... in the chemical industry, electronic industry, medical treatment, gas and coal mining fields, which ... Testing Pressure:25MPA/30MPA6) GB/T 11640-2001Specification Aluminum Alloy Gas CylindersNo.TypeHeight (MM)Weight (KG)Water Capacity (L)Design ...