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Quality Control Process

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Production Process
→ Blank qualification test (Blank size test, ultrasonic flaw detection, valve body wall thickness
test, spectral analysis)
→ Drawings design and making
→ Fine machining
→ Machining process inspection
→ Assembly
→ Pressure test for each valve
→ Spray paint
→ Paint film thickness test
→ Finished products inspection
→ Finished products warehousing
→ Cleaning and packaging, ex-warehousing and delivery

Quality Control
→ Raw material and standard parts inspection
→ Pressure test, Sealing test
→ Machining process inspection
→ Each valve test before delivery

All valves quality is guaranteed.

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