San Shing Fastech Corp. engages in the manufacture and sales of steel nuts. Its products include nuts, screws, bolts, washers, wires, machinery, and tooling. It operates through the following segments: Fastener Department, Machine/Tooling Department, and Other. The Fastener Department segment focuses on manufacturing and marketing of bolts, nuts and washers, processing of wires and heat treatment. The Machine/Tooling Department segment is involved in manufacturing and marketing of tooling and machines. The Other segment include the marketing of wires, investments and other financial income and expenditure. The company was founded by Yuan He Lee on July 2, 1965 and is headquartered in Tainan, Taiwan.