Upload nonwoven fabric, melt blown fabric and nose clop
Seal the long-edge by ultrasonic welding machine
Cut the ear loop
Fold the ear loop; seal the short-edge by ultrasonic welding machine.
Spot weld the ear loop
Discharge and stack the finished product
Fluctuation within±5%power grid grounding wire meets international requirement
There shall be no strong electromagnetic signal interference nearby, and avoid any radio stations (or relay stations) around the installation site.
Get rid of punching machine and other devices.
40-80%, non-condensation, with dehumidifier
220V / 50Hz
Electronic automatic voltage stabilization and current stabilization devices should be installed in area where the voltage amplitude is more than 5%
No smoke or dust (avoid some specific work such as metal polishing)
Some times, there should be anti-static floor, to enhance shielding