The basic structure of the "folding staircase" consists of: wooden frame, metal bracket (cover side), cover, metal joints (telescopic ring), metal pedal, hydraulic bar, rubber seal, exit armrest (security handrail). Running board and retractable ring, is made of high quality steel plate after pickling spray, the appearance of smooth does not rust. Need to understand the basic parameters are:
Folding staircase staircase board step: 360mm
Folding stairs Stair step board Width: 110mm
Folding stairs Stair step board Height: 250mm
Folding stairs Maximum load: 200KG
Stairway size: 700 * 900mm, 700 * 1000mm and 700 * 1200mm
Stair height: 3100mm the following can be