Zibo Diesel Engine Parent Company, founded in 1970, is a wholly-owned subsidiary of China National Agricultural Development Group Co.,Ltd., a specialized manufacturer of high-power medium speed diesel engines, Shandong High-tech Enterprise, Central Enterprise Advanced Group, undertaking unit of national coal mine wind lack heat countercurrent oxidation treatment "863" project and "Torch" plan project, and new energy development key laboratory backing unit of Ministry of Agriculture, with provincial enterprise technology center and comprehensive strength ranking top 500 Mechanical Enterprises. Headquartered in Zibo, Shandong, it owns four manufacturing bases including three subsidiaries of Qingdao Zichai Boyang Diesel Engine Co.,Ltd., Nantong Zichai Marine Machinery Co.,Ltd. and Zibo Zichai..