Quality Control

SURFACE INSPECTION
1,Crack is not allowed to be on any washable surface or visual surface .This can be performed according to the rule of form-3 of terms 5.1.2 of National Standard GB6952-2005.

2,Unconspicuous color difference can be allowed in one product or one set of products .

3,Outer size of every product must be subject to National Standard.
This can be performed according to the rule of form-4 to terms 5.2 of National Standard GB6952-2005.

4,All eyelets must be inside prescriptive standard size. This can be performed according to the rule of form-5 of terms 5.3.1 of National Standard GB6952-2005.





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