"Continuous improvement and zero defect" is JUDU’s eternal quality policy and objective. We have established strict quality control systems.We control quality from the oder begin to valve left to our company totally according to our”ISO 9001,API,TSG Quality Control System”.The test inspection and tests include:

Chemical analysis

Hydraulic universal material test

PMI

Pressure Test

Quick induction furnace infrared analysis gauge for carbon

Spectrum analysis apparatas

Steeloscope

Liquid Penetrant Test