This roll forming machine has been precisely built, will roll form rail profile with tight tolerance. Chin Minn will precisely caliber the machine with the finest instrument and great experience. This multiple punch stands roll forming machine can punch majority of holes, flat holes, extrusion, notch, cut-out and bend, of ball bearing slides or drawer slide rail. More and more customers are choosing this roll forming machine to reduce manpower and secondary machinery cost. This great machine has won numerous repeat order and royal customers.