通源石油：雪佛龙是公司北美子公司的重要客户

Group 1 - The core viewpoint of the article highlights that Tongyuan Petroleum considers Chevron as a significant client for its North American subsidiary, indicating a strong business relationship [2] - In the first half of 2025, the revenue from the North American business is projected to account for 78% of the company's total revenue, showcasing the importance of this market segment [2]