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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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