Service is a key factor to the business culture. It is an image window as well. The sound serving quality is a procedure of a long-term integration and innovation. It has been established on the in-depth knowledge to the customers and the full consideration of the value. YIDA EXPRESS sets up an extremely perfect and high standard serving system in the whole course of sale. It regards it as a part of the product quality and image and makes operation, merging and extension herefrom.