Quality Control
After the first round of inspection by the production department, it shall be inspected by the quality inspection department;

After passing the inspection by the quality inspection department, it will be put into the warehouse for shipment;

SGS certificate

Certifications
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Certifications
Other Products
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Wire Dia2.0mm Electroplating Black Spiral Binding Coils |
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Shiny Gold Wire Diameter 2.0 Mm Metal Single Spiral Binding Coil Suitable For Notebook |
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Dimension 32mm 1-1/4Inch Metal Spiral Binding Coils For Coil Book |
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1-1/2'' 38.1mm 4:1 Pitch Spiral Binding Electroplated Coil For Book Binding |
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Twin Ring 1.4mm Diameter Metal Spiral Binding Coils For Coil Books |
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