In 2013, Hangzhou Olympic Sports Center orders 55 tons steel-joining nodes from Great Wall Steel Casting. Design period of Hangzhou Olympic Sports Center is 100 years, belonging to the premium and large sports construction project. Awning with steel structure is lotus petal shape.

There are many bars converging on the node between petals, the structure and force condition of which is complex. Single node has the features of large size, high strength of material and heavy weight.

Thus, it need to find a large-scale foundry with advanced casting equipment and mature casting technology to be the supplier of node of the whole project. After careful comparison, construction party of Hangzhou Olympic Sports Center finally chooses Great Wall Steel Casting to manufacture all cast-steel nodes used in the project.

On the one hand, Great Wall Steel Casting owns the domestic advanced testing equipment and inspection equipment, which can reach secondary inspection level; on the other hand, Great Wall Steel Casting has many successful cases in cast-steel node processing field to use for reference.