What is the relationship between Hainan Tianneng and Tianneng Battery

Tianneng Battery is a product of Tianneng Co. According to the eye of the sky search query, Hainan Tianneng and Tianneng Battery relationship is Tianneng Battery is a product of Tianneng Joint Stock Company, Tianneng Battery Group Company Limited referred to as Tianneng Joint Stock Company, is an electric vehicle environmentally friendly power battery manufacturing, set of new energy vehicles lithium batteries, automotive start-stop batteries.