欧美日韩熟女一区二区,亚洲韩欧美另一区二区,www.com成人,精品久久亚洲高清不卡,亚洲欧美偷拍一区二区三区

Product Detail
YUFENG medical gas cylinders use first-class processing equipment and advanced processes to produce high-pressure steel seamless gas cylinders of various specifications, including 5 liter, 10 liter, 15 liter, 40 liter, and 50 liter gas cylinders. In addition to the commonly used oxygen cylinders, we can also produce argon, nitrogen, neon, air, carbon monoxide, carbon dioxide and other gas cylinders.
Specifications
Working Pressure:150bar/200bar; Testing pressure: 250bar
Filling Medium: Air, Oxygen, Argon, Hydrogen, Helium, Nitrogen, Carbon dioxide
Equipped with various specifications of caps or valves(BS341, DIN477and CGA standard)
Manufacturing material: 37Mn/34CrMo4
Cylinder body and label colors available ISO or USA
Service life: 30 years

1.Material :37Mn steel