... for example, ultrasonic embossing machine, seamless sewing machine, lace machine, collar machine, quilting machine, bronzing machine, bag making machine, handle welding machine, etc. With the ... convenient. Some features are below.2. When it welded materials, its welding spot don’t produce harden, ... of suspenders, bra straps, with technology for welding, welded place doesn’t burn.4. It won’t smoke, ...