The Service Commitments of the Customer Service Department of Quality Assurance Center：

In deeming quality as valuable as our own life and providing excellent service as our belief, continuously pursuing high quality and capturing customer with our sincerity, we here solemnly promise that: assure the efficiency and perfection of after-sale service for wagons manufactured or overhauled, as well as parts of rolling stocks, by normative work; improve the quality of product continuously by the scientific and reasonable utilization for the customer feedback; meet the requirement to continuously increase the customer satisfaction.