Contemporary Amperex Technology (CATL), the world's largest maker of electric vehicle batteries, has partnered with semiconductor developer Unigroup Guoxin Microelectronics to form a new automotive chip firm in Beijing. CATL-owned Wending Investment, Guoxin Micro subsidiary Tongxin Micro and five affiliates have agreed to establish Tongxin Micro Technology with a registered capital of 300 million yuan (US$43 million), according to a Thursday filing to the Shenzhen Stock Exchange. With its 153 million yua ...