Product arms with a square arc structure, edge gradual implementation is gradient round, spider shape from the legs to the chassis forming a natural mixing effect, Unique and nice appearance has been applied for the appearance of patented products. At the same time, the height of leg is equal to the thickness of the chassis, which satisfies the point of view that the glass surface to the steel structure is relatively small. The spider is made by precision casting processes, and external surface is polished into finished products. Product performance is in line with  JG / T 138-2010 <<architectural glass point support device>> and the relevant national standards, The spider series also has a small piece of the DGZ200XFB series with 200 × 200mm small hole distance, and the same series has three jaws, 90 ° V-shaped two legs, long legs, one-pronged leg and single leg structure. It is applicable to point-fixed façade elevation, canopy, roof etc.