... for holding compressed gases and high pressure liquefied gases of oxygen, hydrogen, argon and carbon dioxide. The major part ... material. The product is widely appplied in chemical, metallurgical, mechanical,medical, scientific research and building industuries.Specifications:1) Material: 37Mn, ... WMA159-14-1589018.314159150250537MnBottle WMA159-15-1594520.1151591502505 whole set medical oxygen cylinder