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◆Punching process:
Including coil loading, pressing, cutting, punching speed etc.

◆Cold rolling and welding procedure:
The company has many advanced CO2 gas shielded welding equipment, company is equipped with perfect electric welder equipment, and a group of skilled welding technical engineers, to ensure the shelf product strength and safety, and have a first-class appearance.

◆Surface treatment process:
Spray process: cold rolled sheet pretreatment process (no rust state)
Skim water - washing
Hot rolling plate and hot rolled profile front processing technology
Oil free status: acid wash - water - washing - high - pressure water flushing
Oil state: surface degreasing flushing - surface rust - Rinse - phosphating - high pressure washing