... reaches international level with automatic frequency tracking system and ultrasonic soft-starting technology;4. The auto ... in one time.Suitable material:All kinds of artificial leather and fabric, nonwoven fabric, spun-bonded cotton, thermoplastic ... Application:Apply to lace clothing, ribbon,trim,Filter, Lacing and quilting,decoration products, handkerchief, tablecloth, curtain, bedspread, pillowcase ...