Changchai Co., Ltd. is not only a nearly century-old national industrial enterprise, but also one of the earliest internal-combustion engine manufacturers in China. It is the first listed company in the national agricultural machinery industry and Changzhou city. Now , Changchai has both A and B shares. Its annual output can reach 1.2 million diesel engines. So far, it has manufactured more than 2,700 million diesel engines that ranked the NO.1 in the domestic market, and its products have been exported to 78 countries and areas.