... :Process: Forging, Hobbing, Broaching, Heat Treatment,etc We fabricate gears of different modulus as straight tooth, conical, helical tooth, drive shaft ... kinds as chain gear, long shaft, axis of a corn, worm, with a selection of materials as copper, and aluminium and cast ... part and we can also design upon customers request. Accuracy class of our products could be high than level 7. Price negotiated ...