... audio amplifier enclosure, outdoor amplifier enclosure, aluminium extrusion enclosure, car amplifier enclosure, aluminum enclosure, amplifier enclosure, aluminum extrusion amplifier, ... time:3~30 days depending on the quantity Application:Car amplifier, Audio vidio power amplifier. aluminum extrusion heat ... in china,the total investment of company is RMB 150,000,000yuan,the company covers an area of ...