Punching raw material and making holes on the designated places. Bending the iron plate and the tube to make the shape.
We will employ automatic welding machine to weld the parts, and then a semi-finished frame is produced in this process.
In this step, we will apply electrophoretic paint technology to handle the surface of the frame. Then, the frame will undergo spraying process to strengthen the corrosion resistance and antirust property.
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