The left radius is damaged at its proximal and distal ends. The radius is gracile, with a midshaft width to length ratio of 0.12. In anterior view, the lateral face of the shaft is straight, whereas the medial face is concave. The anteroposteriorly expanded proximal end has a prominent ridge on its lateral face. The proximal end has an approximately oval outline with a pointed anterior process and broadly rounded posterior process. The proximomedial margin is nearly straight, whereas the proximolateral margin is concave anteriorly and convex posteriorly. The oval cross-section of the upper shaft gradually transforms into a rounded D-shape at mid-shaft, with the long axis of the cross section extending transversely. This ‘D’ shape becomes more anteriorly compressed towards the distal end, with a transversely rounded anterior face and increasingly flattened posterior face. This is associated with the strong transverse expansion of the distal shaft and distal end of the bone, as originally described as a twisting of the bone. Strong transverse expansion of the distal radius is normally found only in titanosaurs (e.g., "Alamosaurus" and "Jainosaurus") and is considered a local autapomorphy of "Huabeisaurus". Posterolateral ridges are weak to absent along the distal half of the bone and do not extend further proximally.