Classic style Huge street lamp Material:ASTM A316 Forging and machining process OEM service, ... machining3.Material:Carbon steel, alloy steel, Aluminium,Bronze,Ti,Mg,Alloy,etcManufacture processdrawing-quotation-making moulds-samples-production mass-forging ... machine 13 drilling machine 14 CMM15 Surface roughness tester 16 surface hardness tester17 electronic furnace 18 mechanical property tester19 ...