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- 23 2023-02
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How to solve the surface scratch problem of color coating board?
Surface scratch is a kind of surface defect in the production of color coating board.
- 23 2023-02
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Production and classification of steel
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Surface scratch is a kind of surface defect in the production of color coating board.

Zhishang Steel, specializing in domestic steel products trade, warehousing, processing and other services. The team has four service teams: Shandong Zhishang Steel Co., LTD., Shandong Zhiyiheng Trading Co., LTD., Tai 'an Zhishang Economic and Trade Co., LTD., Shandong Zhishang Steel Structure Co., LTD. Mainly engaged in steel coil, coated, stee···