Ultrasonic surgical gown sewing machine applied to seal nonwoven fabric without thread replacing the needles Suitable material:Nonwoven fabric, spun-bonded cotton, thermoplastic film, chemical plastic piece. such as nylon, polyster, ABC, PC, PE, PP, PS, PU, etc. Application:Disposable operating coat and hat, disposable mask, non-woven fabric bags and so on. Technical specification Output(W) ...