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?

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

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

Service Details

Valve QC services:

Menu