
China Factory Direct Sale Trough Type Vertical Down-Right Elbow with Cover. Comprehensive Customization: Customizable length, width, thickness, color, and material to match specific project drawings. Robust Material Options: Available in Q235B steel, galvanized steel, aluminum alloy, and 304/316 stainless steel. Multiple Surface Treatments: Options include hot-dip galvanizing, pre-galvanizing, powder coating, and electro-galvanizing. Strict Quality Standards: Manufactured in compliance with GB/T 23639-2017, IEC 61537, and NEMA VE-2 standards. Superior Corrosion Resistance: Salt spray resistance up to 300 hours and qualified galvanic corrosion protection. Durable UV Performance: UV condensation test shows no blistering or cracking within 40 cycles.