... 50HzOutput frequency : 20KHzWorking temperature : -10-28CWorking speed : 0-20m/minEquipped pattern mould : 0-80 mmSize of machine ( L * W * H ... machine can be used to all kinds of fabric, artificial leather, coated cotton, PE paper, PE + aluminum, PE+ ... Pillowcase/Pillow Slip, Automobile Cover, Packing string, Knapsack, Travelling Bag, Portable Shopping Bags, Curtains, Raincoat, Wind Coat, Snow coat ...