... panel, controling plate, telecontroller key panel, control panel, appliance panel, switch board, key face-panel, push-button button panel , door bell panel, aluminium alloy panel, metal panel ... .)6,surface treatment (wire drawing, deburring, anodizing, powder coating, baking varnish,silkprint.) 7,packing. Production LineApplication RangeHeterotype extrusion aluminiumIndustrial, machinery parts ...