1. Non sealed (cold cut): mainly directly cut by scissors, this cutting edge fashion prone dander, and do not clean after the cutting process, wipe the edge of the process will produce a lot of cloth scraps, no cleanliness. It is generally not recommended.

2. Laser cutting: laser instantaneous high temperature melt off,  edge does not produce lint crumbs phenomenon ,can do net shower and washing and other clean process after cutting, edge will be slightly a bit hard but no problem during wiping process by attention, 75% of the market is using this edge.

3. Ultrasonic Edge: ultrasonic vibrating unit by the vibration group (vibrator) produced (let electric energy into mechanical energy), after HORN (horn) transfer heat, then squeezed off by the tool fabric, this edge is the most perfect one among all the ways of clean room wipers cutting, it has good edge and sides are not hard, but only a small portion of enterprises will choose this one due to the high cost of such a cutting mode . Market share of around 15%.