Order raw material according to the contract
Test the raw steel of appearance, such as thickness, anti-pressure, tensile&yield strength
Cut by machine according to the required band width.
Use the cold forming equipment to process the raw steel into section steel such as U channel, C channerl, round tube.
Check the parameters of the appearance, length, width, height, thickness and others.
Punch the section steel according to the required hole spacing and hole diameters and test.
Test the zinc layer thickness, surface smooth and zinc content.
Trial installation before shipment such as wind-proof, snow load, stability and whether easy to installation.