From August 14 to 15, 2017, the "Skills Achievement Dream" 2017 Chengdu Million Workers Skills Competition Tower Crane Competition sponsored by the Chengdu Federation of Trade Unions, the Chengdu Municipal People's Social Bureau, the Chengdu Federation of Trade Unions Infrastructure Construction Industry Commission and co-sponsored by the China Construction Bureau was successfully held in the relocation project of Chengdu Branch of the Chinese Academy of Sciences Seventeen teams from Chengdu tower machinery manufacturers, construction enterprises and equipment leasing companies participated in the competition. Leaders such as Zhang Yusong, Secretary of the Party Group of the Chengdu General Trade Union and Li Jun, deputy director of the Chengdu People's Social Bureau, came to the scene to observe and guide, and awarded award-winning certificates to the winning teams and individuals.

The competition is divided into two parts: Theory and skill operation. In the skill operation competition, the competitors need to lift the water tank from a fixed position, pass the water tank safely through the "Panda Labyrinth" passage according to the route instructions, knock down the standard objects in the obstacle passage, and then pass the water tank horizontally above the high-altitude obstacle, then pass the glass level through the water tank. Balloons on the stage were smashed precisely, and then entered the precise hitting stage. Participants could choose one of the three different heights of tennis, volleyball and basketball, and hit the ball down precisely with a water tank. Finally, the water tank was fixed on a jigsaw with only 5 cm clearance. After two days of intense and difficult competition, Chuan Jian (Group) Company's team with calm, stable and good play, and finally won the third prize of the group, fully demonstrating the skilled skills and the spirit of struggle and enterprising Chuan Jian Ren.

C7013 tower crane made by Chuan Jian (Group) company was selected as the match machine for this skill competition. The tower crane has a maximum lifting capacity of 10 tons and a maximum operating range of 70 meters. It adopts variable frequency stepless speed regulation system. It has advanced performance, stable operation and good control performance. It provides a guarantee for the stable play of the competitors and has been highly appraised by the teams.