China Inspection

CTS SERVICE LIMITED
Shenzhen WeCheck CTS Co Ltd

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Preshipment Inspection > Stainless Steel Coil Plate Roll Bar Building Construction Material Tianjin Shandong


We offer product quality onsite pre-shipment inspections for steel products: steel coils, steel plates, steel bars, contruction steel, steel rods, and other construction materials in Tianjin and Shandong, where there are lots of such suppliers.

The third party pre-shipment inspection types are:


The QC Check Inspections will normally check:

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

steel inspections

For an example, please find below inspection list for a steel pre-shipment inspection:

CHECK LIST COMMENTS RESULT
AS PER ASTM-557M-94 & 1251-94-0 VISUAL DEFECTS (SMOOTH SURFACE, NO WATER STAIN, NO SCRATCHES, NO FRICTION, ETC.)-100% PASSED
Test all detailed functions according the instruction manual or the item’s box--II PASSED
visual check--II PASSED
Perform a measurement and weight check--S2 PASSED
perform a barcode scanning test-Barcode must be scanned and inspector has to check if numbers found are conform with numbers below the barcode-S2 PASSED
Perform a rub test for printing and marking ; Adhesive test for coating if applicable PASSED
Check if the base of the item wobbles by placing it on a flat, glass surface--II PASSED
Coating thickness check--II
Min>16um or average 16um
PASSED
product should be compared with the approval sample and client’s requirement-There should be no obvious size, shape, style, or color deviation.-II PASSED
perform quantity and assorment check in each package--S3 PASSED
Perform a humidity test on solid wood and MDF parts with wood humidity tester(brand name: testo), Please fill the detail finding table for wood humidity test. The sample should be taken:  - On S3 PASSED
If there is a  certificate of fumigation for wood packaging and Raw material certificate and Product quality certificate .(If applicable) N/A
Hardness testing-S1 FAILED
Pencil Hardness testing-S1
Use the HB pencil test
PASSED
Coating adhesive-S1 FAILED
Diagonals Windage (<5 mm)--S1 FAILED
Edge Unstraightness (<1mm/M)--S1 N/A


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


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