AITO joins BMW, Mercedes-Benz charging JV in China as equal partner
SERES Group’s Huawei-powered AITO brand is joining IONCHI, the premium charging joint venture between BMW and Mercedes-Benz in China, as an equal 33.3% shareholder. The deal restructures what was a 50:50 German partnership into a three-way collaboration with one of China’s fastest-growing luxury EV brands. The move signals a significant shift in China’s EV charging landscape, where German and Chinese automakers are now directly collaborating on premium infrastructure rather than competing on separate networks. The IONCHI joint venture was originally formed by BMW and Mercedes-Benz in late 2023 as a 50:50 partnership between Mercedes-Benz Group China and BMW Brilliance Automotive. The goal was ambitious: build at least 1,000 high-power charging stations with approximately 7,000 charging points across 100 Chinese cities by the end of 2026. Progress has been steady but faces a significant ramp. By December 2025, IONCHI had connected around 430 fast-charging stations with 2,408 charging points across 37 cities. That means the network needs to more than double its station count and nearly triple its charging points in 2026 to hit the original …









