http://www.cnhs.cc/seamless-steel-cylinder/
Products Description
Produces portable gas cylinders through advanced technology. Compared with conventional respirators, we use aluminium or aluminium composite cylinders instead of steel ones, with weight reduction of 40%-70%, so they are more preferable for people with breathing problems.
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Gas Cylinder Introduction:
Gas cylinder liners are made of high quality 6061 aluminium alloy materials. The manufacturing procedure includes punching, drawing, heat treatment, CNC flow forming
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