M. Y. Spring Industries SMC-Pvt Ltd established in 1970 at Karachi-Pakistan with aim to develop quality engineering products i.e. Helical / Coil / Compression / Extension / Torsion Springs from 1 mm to 60 mm Material Thickness, Transmission of Tractors, Spring Loaded Idolaters, Clamping Devices, Hinges, Heavy Duty Screwdrivers, Socket Spanners, Locks, Retaining Rings, Sight Holders, Handles, Steel Shots, Spring Washers, Disc Springs, Junction / Control / Circuit Panel Boxes, Barrels, Oil Extraction Pumps, Hooks and Special Products etc.