High Quality For Tungsten Carbide Guide：
（1）Tungsten carbide nib：high quality WC powder
（2）Manufacturing equipmen：
Accurate angle and internal diameter grinding machine
Accurate angle and internal diameter polishing equipment
Accurate internal and external grinding machine
Accurate surface grinder
Accurate surface-grinding machine
（3）Quality of products：
Concentricity （ID to OD）：≤0.01mm
Roundness For Hole：≤0.005mm
Roughness For Hole：Ra 0.02
（4）JIAHE carbide，pledge of quality
