67777.com-新萄京67777|官网

 
 
 

67777.com-新萄京67777|官网

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The role of light overall

The role of light has the four aspects:
1, the pressing strip surface, make the zinc layer better stick to the strip surface;
2, control panel, improve product quality;
3, improve the strip steel mechanical properties, eliminate the yield platform;
4, roughness, make it easier for steel strip after finishing antirust processing.

 

 
67777.com-新萄京67777|官网
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