The TR-B series, manufactured by Polystar Machinery Co., Ltd.®, is utilized in a variety of operations such as a plastic recycling extrusion line ideal for pellets made of plastic, granules and resins. It has a feeding that is used as a blower with multiple layers of feeding tank and a motor that is mixed along with a switch paddle and a screw feeder. In addition, it has a a diameter of screw available in 120mm~150mm that is customized.