Custom Size Galvanized Square & Rectangular Steel Tube for Highway Billboard Frames

Custom Size Galvanized Square & Rectangular Steel Tube for Highway Billboard Frames. Customizable Dimensions: Outer sizes range from 20x20mm to 200x200mm and 20x40mm to 150x200mm with custom length options. Diverse Material Grades: Available in Q195, Q235, Q345, S235jr, S355jr, S195, S235, and S355 for various strength needs. Comprehensive Certifications: Holds ISO 9001, ISO 14001, BV, and SGS certifications ensuring quality and compliance. Multiple Processing Services: Offers bending, cutting, welding, and punching services to meet specific project requirements. High Supply Capacity: Annual supply ability reaches 700,000 tons to support large-scale projects and bulk orders. Fast Stock Delivery: Standard sizes available in stock with shipment within 7-10 days after deposit. Competitive Pricing: Maintains large stocks and factory partnerships to ensure the lowest market prices. Versatile Applications: Suitable for highway billboards, construction, fencing, guardrails, and steel structures.