YILI METAL
What are the inspection standards for color coated rolls

What are the inspection standards for color coated rolls

Inspect the appearance of the color coated roll, including the smoothness, color, and absence of obvious scratches, dents, bubbles, foreign objects, etc. on the coating surface. The appearance requirements should meet the product specifications and relevant national standards.

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Galvanized pipe production process

Galvanized pipe production process

Steel pipe preparation: Use high-quality ordinary steel pipes as the base material, which are usually manufactured using hot rolling or cold rolling processes. The size and thickness of the steel pipe can be adjusted as needed.

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