Main Torch Project of the 7th National Games in Nanchang, Jiangxi
The torch tower is a landmark building, a total height of 61 meters, the structureof type combo box lattice tower mast structure.Live a weld,the weld meet theGB5777-96 specification. Vertical deviation of the upper and lower 3-5mm,much higher than the GB50205-2001 standard for vertical requirements.