dn20 telescopic stand seat with writing board
product features; gas-assisted injection molding, split seats, spring dump, hanging installation
main material; polypropylene (pp), high-strength aluminum alloy, hot-rolled plate, hot-rolled profiles
size parameters; width x deepth x height 450x420x800
using venue; all kinds of indoor field, museum
installation requirements; step height 280mm - 650mm, step width ≥ 800mm, center distance
470mm-510mm
additional features; handrails, cushions, cup holder, antistatic