对重空心导轨是冷弯轧制导轨，是由卷板材经过多道孔型模具冷弯成型，主要用于电梯运行中为对重提供导向。空心导轨按每米重量可分为TK3、TK5，按导轨端面形状可分为直边和翻边，即TK5和TK5A。
The counterweight hollow guide rail is a cold bending rolling guide rail, which is formed by rolling plate through multi pass mold. It is mainly used to provide guidance for counterweight in elevator operation. According to the weight per meter, the hollow guide rail can be divided into tk3 and tk5. According to the shape of the end face of the guide rail, it can be divided into straight edge and flanging, i.e. tk5 and tk5a.
扶梯导轨是冷弯轧制导轨，主要用于自动扶梯和自动人行道的梯级的支承和导向。每个自动扶梯企业都根据自己的设计需要使用各种截面形状的扶梯导轨，即都使用自己的扶梯导轨标准。
The guide rail of escalator is a cold-formed rolling guide rail, which is mainly used for supporting and guiding the steps of escalator and travelator. Each escalator enterprise uses various sections of escalator guide rails according to their own design needs, that is, they all use their own escalator guide standards.