BYD Auto Co., Ltd. ("Build Your Dreams") is the automotive subsidiary of the Chinese multinational BYD Co Ltd, headquartered in Xi'an, Shaanxi Province. It was founded in January 2003, following BYD Company's acquisition of Qinchuan Automobile Company in 2002. The company produces cars, buses, trucks, electric bicycles, forklifts and rechargeable batteries. The current model range of automobiles includes electric vehicles, plug-in hybrid vehicles and petrol engine vehicles. The Denza brand, a joint venture with Daimler AG, produces luxury electric cars.