... port-used footplate, steel barrier, and skid proof expanded sheet for passage and alleyway and steel scaffold platform ... easy to cut, the economy, attractive, easy to carry Expanded metal usedRailings, fences, vents, mesh, protective windows, flooring, ... , oil mine, motorcycles, steamship platform, escalators, walkways.Expanded metal standardQB/T 2959-2008Expanded metal basic informationSWD short way ...