... 4OEM/ODM accepted 5ISO9001:2008 certificate Die casting Aluminium spare parts for electric power tools Features: 1High density ... shaft/block. 4 Aluminum Die CastingsAluminum die casting parts, aluminum shaft support for power tools5 Balance weigh, sprockets, ratchet, ... --cleaning--vacuum oiling—packing3. Material: carbon steel, copper steel, copper molybdenum steel, alloy.4. Production equipment:a. ...