Forging, casting,bearing, deep groove ball bearing, angular contact ball bearing, cylindrical roller bearing, self-aligning roller bearing, conical roller bearing, thrust ball bearing, thrust roller bearing, slewing bearing, swing drive, mining spare parts, gear ring, gear, gear shaft, drum, front wall of bucket (excavator bucket), back wall of bucket, lever, controller, pulley, track link, track shoe, track frame, bottom plate of bucket, bucket tooth, track driving wheel, guide wheel, half pulley, bottom hinge, concave, mantle, hammer, liner, movable jaw, crushing plate, rotor, crusher cone, adjusting ring, cone crusher base, bevel gear, conical sleeve, eccentric sleeve, cylinder sleeve, fly wheel, belt wheel, ball mill tube, end cover, ring, supporting roll, crusher, taper sleeve, crusher, bucket lip, rope wheel, gear rack, bearing bush, hollow shaft, wheel hub, connecting plate, inner gear ring, bowl bearing bracket, chuck, cartridge, chuck seat, strain shaft, strain pole holder, st