The greater Taichung area is the main birthplace of the hardware industry, and about 70% of the industry gathers here. Hand tools include scissors, pliers, screwdrivers, wrenches, sockets, etc. The factories locate around Provincial Highway 74 (Huanzhong Road in Taichung), forming the world's "unique" largest and densest hand tool industry cluster. The industries cover Wufeng, Taiping, Dali, Dadu, Wuri, Longjing, and other districts, which are export-oriented. The United States is the largest consumer market, accounting for about 30%.