... water, living water, industrial and mining district and various circulatory system.can be used for storage water, edible oil, milk or ... tube, avoid rusty which caused by welding, may keep the tank without effusion, leakage and bubbling;2-Cost effectively, easy & fast ... and long life-spanAvoid rusty which caused by welding, the tank is anti-corruption, quakeproof and anti-fissile, which may guarantee ...