The company's revenue from major customers accounts for a high proportion, and the matching rate of domestic mainstream commercial vehicle engine customers is over 95%.

Tianrun Industrial Company has a domestic mainstream commercial vehicle engine customer matching rate of over 95%. The company's largest customer is Weichai, and nearly one-third of the company's revenue comes from the Weichai series. Cummins' matching business income accounts for about 20% of the total revenue. The major export business customers include Daimler, Volvo, Cummins, Carter, etc.