Sinotruk (Hong Kong) Limited is an investment holding company. The Company's principal subsidiaries specialize in the research, development and manufacturing of heavy duty trucks and related key parts and components, including engines, cabins, axles, steel frames and gearboxes. The Company operates in three segments: trucks, which is engaged in the manufacture and sale of trucks; engines, which is engaged in the manufacture and sale of engines, and finance, which is engaged in taking deposits from member companies, facilitating borrowings for member companies, discounting notes of member companies and providing entrusted loan and entrusted investment between member companies. Its other group operations mainly comprise the sale of design and research service. On May 31, 2008, Sinotruk (Hong Kong) Limited acquired 60% of equity interest in Liuzhou Yunli Special Vehicle Co., Ltd.