Sue introduced a family.

Chang Chai Co., Ltd. was established in Changzhou City, Jiangsu Province. Domestic listed RMB ordinary shares A and domestic listed foreign shares B are listed on Shenzhen Stock Exchange on 1994 and 1996 respectively. Mainly engaged in the production and sales of small and medium-sized single-cylinder and multi-cylinder diesel engines with "Chang Chai brand" as the trademark. "Chang Chai" brand trademark was recognized as a well-known trademark in China for the first time among domestic means of production products.