Ram Krishna Engineering Works , Ahmedabad, (C.I. Brake Drum Coupling, Rigid Coupling, Break Drum With Flexible Geared Coupling, Nylon Gear Coupling, C.S. Drum, Pin Bush Couple, Tyre Couple, Chain Couple, Worm & Worm Wheel, Beval Gear, Spur Gear, Simplex Sprocket, Duplex Sprocket, Triplex Sprocket, Pedestal, Ucp, Conver, Gear Coupling )