DHP Steel Pipe
DHP Steel Pipe Co., Ltd. focuses on steel pipe manufacturing. From the control of raw materials, steel coil slitting to steel strips, forming, high frequency welding, sizing and strengthening, quality inspection, rust preventive oil treatment, to packaging and shipment. Available Steel pipe diameter 9.8mm ~ 76.2mm, thickness 0.5mm ~ 3.2 mm, range includes round pipes, square pipes, oval pipes, and special pipes. Carbon steel pipes (steel tubes) are widely used as connection parts, frames, pillars of construction and machine structural components, like bicycle frames, indoor furniture and outdoor furniture.