A single wire cannot form a thread, and a single tree cannot form a forest. The craftsmen of Tian are more cohesive in their daily work. Since its establishment, it has experienced ups and downs, and under the correct leadership of Mr. Yu, it has developed better and better. The 'excellence' in the production department, the 'criticism' in the quality management department, the 'more frustration and courage' in the R&D department, and the cooperation and cooperation of other departments have made Tianjiang today. The success of various achievements is also inseparable from the cohesion of the team and the efforts of the team.