組合式結構，有單臂和雙臂之分，高效存儲木料、 管材、長條物等類似產品。載重能力好，視野開闊， 管理方便。規格尺寸和承載視用戶要求而定。
   composite structure, with one arm and the arms of the points, efficient storage timber, pipe, strip material and the like. Good load capacity, vision cleared, easy management. Size and load as the user request.