1,amplifier plate, amplifer panel . 2,extrusion aluminium CNC machining 3,ISO9001 certified 4 ... , aluminium alloy panel, metal panel for electric appliance,car amplifier plate, amplifer panel, aluminium amplifer panel.aluminium hardware. Material; A 6061Aluminium alloy composition ... Aluminium Industry Co., Ltd. built in 1993, we covering an area of 10,000 square meters with graceful environment. We are ...