... roller patterns, other roller designs available according to customer requirements;Functions1. Trimming: Straight or curvilinear edge ... cutting and edge treatment for melting,so smooth, no rough edges;2. Sealing ... spun-bonded cotton, thermoplastic film, chemical plastic piece. such as nylon, polyster, ABC, PC, PVC, PE, PP, ... (kg)120kg Futan Ultrasonic lace machine(JT-200-S)