Splice rod body
The segmented double-tube truss structure is divided into two layers, the upper and the lower, and the middle is connected by square pass. Each bar body is spliced by high-strength bolts. The inner pipe is equipped at the interface, and the outer part is coated with anti-rust primer and black topcoat, as well as liner, pipe seal and number plate.
Common model: ∮50、∮60
