... aluminum machined part 1.material: alu 6061 T6 2.size: as your dwg 3.surface: anodizing, clear 4.qty: 1000pcs aluminum ... , grating, frame, manhole covers, pump parts, handwheel, valve, flange, bollard, pilingaccessories, counterweight iron, construction machinery parts ... grating, frame, manhole covers, pump parts, hand-wheel, valve, flange, bollard, piling accessories, counterweight, iron, construction ...