In July 2019, in shaanxi and shanxi coal chemical industry group co., LTD. (hereinafter referred to as the "shan") the field maintenance and repair, the imported compressor dry gas seal system used by some of the instrument in the operation of the valve and filter in the past appeared different degree of leakage, in the case of user contact factory failed many times, the user to contact our technical personnel, for our staff is the scene appeared to give help to solve the problem of the compressor.

Our staff rushed to the site immediately after receiving the notice, disassembled the valve on the site and found the leakage point, and took corresponding measures to remedy it in time. Inspect all valves on site together with site personnel after successful solution of valve leakage on site. During this process, it was found that there were problems with the safety valve used on site. Considering the complexity of the safety valve and the limited conditions on site, our company contacted a professional valve maintenance company to disassemble and repair the safety valve.

Shaanxi into our company's long-term cooperation with customers, in recent years has been with us. This time, shaanxi hua contacted us in the first time, our company's technical staff successfully solved a series of valve problems on site, deepening the cooperation between each other.