|Headquarters||Yancheng, Jiangsu, China|
Chongqing Dongyin Group (Chongqing Doyen Holdings Ltd) is a Chinese conglomerate based in Yancheng, Jiangsu, China. The company builds ships, agricultural engines, tractors, combine harvesters, etc...
Dongyin began manufacturing tractors under the Jiang Dong brand with their 2002 acquisition of the Jiangsu Jiangdong Group, which also included Jiangsu Power Company, the engine manufacturing division. This continued until about 2017 (?). They then formed a joint venture in 2016 with the South Korean TYM company to manufacture licensed TYM tractors, calling the new tractor Donvita.