The central rotational circular altar of Zhonghua Century Altar is a special dynamic structure of full steel and closed space frame.

中华世纪坛中央旋转圆坛为全钢封闭式空间刚架的动态特种结构。

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Frame: the frame is made into a space frame structure, including the welded longitudinal beam and the whole pulling-through crossbeam, of which are made of 16mn vehicle steel.

车架：车架采用16 Mn车用钢板制成的焊接式纵梁和整体贯穿式横梁组焊而成的空间框架结构。

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