Aluminum alloy treads are generally set up with steps of 2 to 5 levels, with a platform height of about 1m-1.5m. The legs are equipped with two rollers or fixed to the ground with brackets, making the transfer transportation fast and lightweight
Design reference standards: GB 17888-2008 and EN ISO 14 122
Stair inclination angle: 45 ° (comfortable) -60 ° (relative limited space)