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Product quality control:

The product quality control QC inspection is to check the shipment quality prior to shipment, and ensure the order requirements are fulfilled, mostly the shipment inspection checklist is as follows:

  • Aesthetic, visual defects, workmanship, surface and function inspection
  • On-site safety, regulation & function testing
  • Measurements & sizes check
  • Labels, markings, logos & barcodes quality check
  • Product specs, and special requirements check
  • Packaging, safety and drop tests onsite
  • Quantity & assortment verifying
Product quality control

Please find below for an quality control checklist for example:

Both cartons and bags should have labels.Absent of a label will be considered as defect-level II PASSED 
Check the carton design refer to the attachment N/A 
Perform adhesive test on galvanization. Galv.coat should not come off. You can use stout knife to detect. 1 pcs per item FAILED
Check for absence of fittings description debossed on the piece itself. For example,galvanized tee 1/2 inch must be embossed on the body (1/2). Lack of this should be considered as a defect. Level II PASSED
Inspect the quality of the fittings thread. Please, use a galvanized plug with perfect thread for all references detailed refer to the attachment The screwing process must be smooth. Threads cannot be broken 1pc per item PASSED

3rd party preshipment s goods factory onsite inline final Random AQL PSI TPI FRI DUPRO third party on-site in-line pre-shipment QA QC check assurance inspection services in China India Vietnam Thailand Malaysia Bangladesh Taiwan.