Synopsis of Process Routing:
DIN highly accurate, cold rolled and bright seamless steel tube is used as the tube to be galvanized. The inner and outer walls of tube are electroplated, and/or passivated with military green after galvanizing. The caps are used to cover two ends of tube to prevent from the dust.

Main Features:
White galvanized, color galvanized (yellow galvanized) and passivation with military green. The high brightness on the surfaces of inner and outer walls is obtained after galvanizing. A good property of antirust and anticorrosion on inner and outer walls of tube are achieved.

Main Application
:High anti-corrosive performance, Salt spray testing as per GB/T10125, Testing times for 240 hours without rusting.