The coating machine is one of extruder gearbox application , where the equipment extrudes and stretches materials onto surfaces of flexible substrates such as paper or film, forming composite materials with both plastic durability and substrate functional properties upon cooling and pressing. Widely used in woven fabrics, paper utensils, food packaging bags, tapes, labels, etc., Sun Lung Gear is a specialized extruder gearboxes manufacturer and offers various types of extruder gearboxes to meet the needs of coating machine equipment manufacturers.