The preshipment inspections for Precision parts, Machined parts, Machine components, Auto parts, Automobile Parts, Precision Tools, Tooling, Die-cast parts, Stamping parts, Punching parts etcs, the focus will mainly on measurements according to the drawings, and it is better to have a gauge to try on. Also the inspector will check:

For Valve quality pre-shipment inspections, how do we inspect?

INSPECTION CHECKPOINTS	RESULTS	COMMENTS
On-site safety, regulation & function tests	NOT OK
Aesthetic, visual defects, workmanship, surface and function checks	NOT OK
Quantity & assortment verifying	NOT OK
Packaging, safety and drop tests onsite	OK
Labels, markings, logos & barcodes QC check	NOT OK
Measurements & sizes inspections	NOT OK
Product specs, and special requirements verifications	OK

For such products, During Production Inspections, And final Random inspections are recommended:

As a random example, please find an onsite inspection checklist for Valves:

ONSITE CHECK LIST	COMMENTS	RESULT
Fitting check if applicable		FAILED
Function test under the 30 bar intensity of pressure 3个大气压下测试漏水情况		N/A
Perform assembly test according the manual instruction step by step		PASSED
check the coating thickness and net weight		PASSED
Fatigue test for all adjustable parts –S2 (20times at least)		PASSED
Drawing comparison-All the structure the same to client s drawing		PASSED
Test all detailed functions according to the instruction manual or listed on the gift box		PASSED

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

Service Details

Valve in-line inspection:

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