26# Zhufeng Road,New Developing District,Changzhou City,Jiangsu Province,China.
Before start drilling machining for a custom parts, we need to pay attention for four steps to help protect the workpiece.
STEP 1. When doing drilling process,should handle the workpiece gently.
STEP 2. After finish drilling machining, No scratches on the surface.
STEP 3. Do measurement before take down the workpiece.
STEP 4. Remove and store the workpiece properly after finishing drilling.
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