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Jiangnan Valve is committed to complementing the most rigorous quality assurance in our procedure. We provide a sufficient package of valve quality experiments to guarantee the standard of zero defect in our plant, which includes: 

hydro pressure test 


ultrasonic testing 


magnetic particle testing


Chemical Analysis


Mechanical Property inspection


Wall thickness test


Emission leakage test


Hardness test


Painting thickness test


Penetration Test


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