... dust proof Features: *strong anti-corrosion aluminium electronic amplifier enclosure*ADC1,ADC12,A380, ALSI9CU3 aluminium alloy material*made by pressure die-casting process ... work on your drawing.*drawing and designs in igs, stp, step, dwg, pdf, jpeg, tiff are available for us*mould develop ... for sale.Welcome your own design and drawing in stp,step,igs, dwg,dxf,pdf,jpeg,tiff,etc. strong anti- ...