level aluminium frame with some plastic part three clear vial,milled bottom available in ... level three bubble including vertical ,horizontal ,inclined to 45degree.,distinct scale ,easy to read the thickness of aluminium is 1.5mm ... ) Factory area:100.000square meter,building area:45.000square meter,with 15years production history LengthQTY/CTN(PCSN.W/G.WMEAS(CBM3005012 ...