Group 1 - The core viewpoint of the article is that Wanma Co., Ltd. is actively involved in the electric vehicle charging operations through its subsidiary in Hainan [2] Group 2 - Wanma Co., Ltd. has established a subsidiary in Hainan that focuses on the operation of electric vehicle charging services [2]

Group 1 - The company has a subsidiary in Hainan Island that primarily engages in the operation of electric vehicle charging services [1]