Huasui Heavy Machinery Co., Ltd. undertook the project of 5T boom crane to Russia. When receiving the customer’s inquiry in winter, considering that the product should be used in a cold and cold environment, our designers took into account the material of the steel structure when designing the drawings, and the rotating part has been lubricated. In the design, the client made a fine tuning of the data, they are very sensitive to the details of the data, and they are very positive about our design and service. It is very necessary to gain mutual trust in the following communication. Obviously, our subsequent communication was smooth and the cooperation between the two sides was very pleasant.