... copiers, video lights, embroidery cabinets, ladders, junction box, aluminum foil cores pipes, radiators, chassis, cabinets, production line ... 5.GB/T3190-1996 "Aluminum and Aluminum chemical composition"6.GB/T14846-93 "aluminum and aluminum alloy extrusion profiles size deviation ... 2: Anodizing, color profiles"3, GB5237.6-2004 "aluminum alloy extruded profiles for architecture Part 6: thermal barrier ...