Joining:(CO2 air protection joining makes joints better and firmer.)
Material of frame
Selecting only the high grade steel tube and armor plate material(key parts use 5mm thinker steel tube )
Painting & Electrophoresis of frame surface
Electrophoresis Deposition technology is used for semi—manufactured frames to make painting surface more steady and to improve the outlook and finish
Final test
Our quality test staff examines the appearance and fitting location of bore all around, ensuring that the frames are according to the requested standard
Using professional tools to test fitting location of bore and the quality of surface
