... panel, operation panel. 2,extrusion aluminium CNC machining 3,ISO9001 certified 4,quick delivery Application range; Aluminium face ... control panel, appliance panel, switch board, key face-panel, push-button button panel , door bell panel, aluminium alloy panel, operator ... - Opening mould - Die trial 2,first article assurance 3,extrudrd aluminium mass production 4,cutting5,deep processing ( punching ...