Multi-hole in-mold tapping machine

Example of using an in-mold tapping machine: Monthly production: 400,000 pieces/month Punch speed: 70SPM (95% efficiency takes 100 hours) Automatic tapping machine speed 15SPM (one product needs 3 taps, 95% efficiency takes 1344 hours ) Number of screws: 4 pieces M2, 3 pieces M3, a total of 7 people Salary: 1200 yuan / month production 400,000 pieces cost / month