In the past few years, the extrusion workshop has introduced a number of domestically advanced extrusion lines and fully automated extrusion equipment. The oxidation and electrophoresis workshops have introduced internationally advanced electrophoresis production lines and supporting processes to treat non-ferrous metals. The technology is at the leading level; the spraying workshop has introduced the internationally advanced Swiss Golden Horse powder coating production line, fluorocarbon coating production line and vertical spraying production line. The process level and product quality are both advanced in the same industry in the country; 3D/4D/ from Italy 5D wood grain professional production line, the products produced lead the industry trend. The deep-processing workshop is equipped with a domestically advanced production line for the thermal break profile, which expands the production capacity and greatly improves the product quality. At the same time, it also meets the