簡介：主要由機架、側板、護欄和鏈板組成。機架及側板材質為304不銹鋼。護欄和鏈板材料為工程塑料。

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.