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Testing equipments
   
Crack Detection Testing
 
Superficial Rockwell Hardness Tester
 
Direct Reading Spectrometer
 
 
Impact Testing Machine
 
Abrasion Testing Machine
 
Metallographic Corrosion and Physical-Chemical Analysis Center
   
Princeton Electrochemical Workstation
 
Hydraulic Universal Testing Machine
 
Large Sized Metaloscope
   
Hardness Testing
 
Process Inspection
 
Experimental Vacuum Furnace
   
Magnetic Defect Detector
 
Portable Spectrum Analyzer
 
Ultrasonic Analyzer
   
Coating Plating Layer Thickness Gauge
 
Electric Instrument Testing
 
Electric Spark Inspecting
   
Hydrotest Machine
 
Pressure Test Machine
 
High Pressure Testing Machine
     
Hard Seal butterfly valve Testing
 
Soft Seal Valve Testing
 
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NVF was found in 1959, we are professional in manufacturing forging steel valve and casting steel valve, gate valve, globe valve, check valve, ball valve, butterfly valve, plug valve and so on.