Ideal Auto was once Horizon's largest customer, but has now been replaced by the Volkswagen joint venture

Between 2021 and 2022, Ideal Auto was Horizon's largest customer. However, by 2023, this position was replaced by Coolway, a joint venture between Volkswagen and Horizon, and Ideal Auto fell to second place. According to the prospectus, Coolway's main customer will be the Volkswagen Group, and its products will be used in Volkswagen cars sold in China. Volkswagen and Horizon hold 60% and 40% of Coolway's equity respectively.