GB/T5099 standard seamless cylinder
Cylinder series products: nitrogen oxygen cylinder, cylinder, cylinder argon, carbon dioxide liquefied gas, sulfur hexafluoride cylinder, cylinder high purity standard, hybrid cylinder, cylinder, cylinder fluoride, sulfide solid liquefied gas boron, cylinder IG01 IG55 / IG100 / IG541 Fire industry, starting nitrogen,trifluorometano LPG cylinder, perfluorohexanona heptafluoropropano cylinder, cylinder fire tube cylinder, etc., 15MPA 20MPA, 17.2c2-sm