Manufacturing Process
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Incoming material lifting
Lift it to the storage site for storage.
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Incoming material inspection |
Resistor welding One-time processing semi-product to weld flat steel andtorsion square steel into grating. |
Semi-product (1) inspection Is the appearance good enough? Is it distorted? Is the spacing correct? Is the dimension correct? |
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Cutting |
Cutting inspection |
Sealed edge plus flat iron sealed edge |
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| Semi-product (2) inspection Is the appearance good? Is the welding scum cleaned? Is the dimension matched? |
Sealed edge inspection/appearance inspection Is it distorted? |
Trimming
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Plated zinc content sampling
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| Package inspection Does the package meet the spec? |
Product delivery |