Harbin Dongan Auto Engine Co. Ltd is mainly engaged in the development, manufacture, sale and after-sale servicing of mini-vehicle engines, gearboxes, component parts and other related products. It is the largest manufacturer of mini-vehicle engines in China. The company's key products are low-emission automobile engines (engine displacement 2 litres and below). Harbin Dongan maintains production and sales capacity in more than 10 categories of engines for which it owns the intellectual property rights. The company's major domestic clients include Hafei Automobile Group, Jilin Light Automobile Factory, Changhe Automobile and Chery Automobile.