These multi-color aluminum hollow rectangular pipes serve both industrial and decorative construction fields. For industrial use, they build automation equipment frames, workshop workbenches, machinery safety guards and new energy support brackets, with silver raw finish for post-machining projects. For decoration & construction, beige, blue and black coated tubes are widely applied to architectural curtain wall frames, stair handrails, advertising billboards, greenhouse load-bearing supports and outdoor landscape frames. Also perfect for furniture legs, exhibition booth frames, display racks and medical device housings. Large warehouse stock ensures fast bulk delivery, multiple color options and bespoke machining meet mass factory orders and small custom interior & structural engineering demands.