Material: stainless steel plate , carbon steel plate, galvanized steel plate , aluminum plate, and so on.
Shape: gourd shape
characteristics  durable, perfect weight to power ratio, easy to cut, economic, attractive, easy to carry, and various forms
application architecture, stairs, drying rack, railings, fences, ventillation hole, mesh panel, window protection, flooring, fences, barriers, sidewalks, ramps, narrow access, security isolation, iron lattice.