1. Hankook Tire Repair Factory in Longxi County is located at the intersection of Zhang Xin County, Sun Ping Village, Wenfeng Town, Longxi County, Dingxi City, Gansu Province. Is a maintenance of motor vehicles, electronic products, daily products-based enterprises.

2. Longxi Wheel Car Repair Factory is located in Qiaoping No.1, Sunjiaping Village, Wenfeng Town, Longxi County, Dingxi City, Gansu Province. Is a maintenance of motor vehicles, electronic products, daily products-based enterprises.