Nanjing Automobile Group has set up a 1.8 billion yuan (226 million US dollars) unit to oversee the development of its own-brand cars based on technology bought from failed British car maker MG Rover, Reuters reported. Nanjing Auto will hold 22.22 percent of the new subsidiary -- set to roll out its first self-developed car by March next year -- with six other local firms sharing the remainder, said Reuters, citing Shanghai Securities Journal. It stunned the industry again in July, by announcing plans to build China's first car plant in the United States -- a facility in Oklahoma offering a full range of MG sports cars and sedans, including the TF roadster and the new TF Coupe.