简介：主要由机架、侧板、护栏和链板组成。机架及侧板材质为304不锈钢。护栏和链板材料为工程塑料。

Introduction: It mainly consists of racks, side plate, guard rails and chain plates. The material of racks and side plate is 304 stainless steel. The material of guard rails and chain plate is engineering plastic.