Product Features : Hollow rectangular cross‑section with variable aspect ratio. Good bending resistance, lightweight and material‑saving. Multiple surface options, easy secondary processing for various frame shapes.

Applications : Door & window frames, ceiling keels, shelf supports, canopy brackets, decorative mouldings, machinery frames, billboard base materials.

Item / 项目	Specification / 参数
Material Grade / 材质	201, 304, 304L, 316L
Section Size / 截面规格	20×10mm‑200×100mm
Wall Thickness / 壁厚	0.5mm‑14mm
Standard Length / 标准长度	6m / custom non‑standard size
Surface Finish / 表面处理	2B, NO.4 brushed, 8K mirror, color coating
Custom Service / 定制服务	Large‑size & special section customization available