We manufacture the drop forgings according the drawings and requirements from our customers,Website: ... , we are able to supply the die forgings with rough forged, rough machined or finial machined. We can also provide the ... , 41Cr4, 17CrNiMo6, 34CrNiMo6, ST52-3, S355J2G3, S355JR , etc.Manufacturing ways: Drop forged, rough machined, heat treated, CNC turned, milled, drilled, threaded, grinded ...