Detailed Product Description ultrasonic plastic welding machine for casesIntroduction (Ultrasonic riveting Machine)4, Input ... Applicable Scope: toy, electronic, stationary, car, box... which Made of ABS, PP, PE, PVC, acrylic material... Features:1 ... from USA ensure excellence in quality9) International leading welding modes of time welding, depth welding, cave-in welding that higher demand for welding ...