The bolted ball grid originated in Xuzhou, which is known as the "hometown of grids". The bolted ball grid structure highlights the advantages of the grid structure.

First of all, in terms of the installation method, the bolt ball is used as the node and the bolt installation method is used to greatly reduce the difficulty of grid installation and enhance the flexibility of grid installation.
Secondly, from the perspective of the shape of the grid, the bolted ball structure of the grid can easily make a variety of exquisite architectural structures only by calculating the force analysis required for the modeling in advance.

In general, the application range of bolted ball nets is becoming wider and wider. Many building structures can use bolted ball nets, such as stadium top nets, gas station top nets, station nets, and many more. Shopping malls use bolted ball net frames to make beautiful shapes.