用于三维编织复合材料预成型件的编织。适合编织〇、□、Δ、翼型等形状截面的等截面或变截面管状预成型件的三维编织平台。可编织三维四向、三维五向，以及三维全五向结构三维编织预成型件。Circular type 3D braiding machines are suitable to braid pipe performs with different cross section shapes ,such as 〇、□、Δ、airfoil shape etc. All of them may be either equal or different in section and thickness.