1, the standard section of the main chord is made of good-quality angle iron Q345B

2, a turning device is added between the bearing and the top of the tower to ruduce the impact

3, the swinging gear is planetery reducer with fluid coupling

4, the main electric elements are from German Schneider

5, the lifting system is motor drive which can easily change the magnification of the steel wire rope

6, all compenents go through the process of sandblast, spray-paint and baking finish, so they are durable.