We are a leading manufacturer of large diameter spiral steel pipe q235q345 for drainage and sand pumping applications. Our straight seam spiral welded pipe is made from high-quality materials, ensuring durability and long-lasting performance. The thick wall spiral pipe provides excellent strength and resistance against corrosion and abrasion. With precise manufacturing techniques, our products offer seamless construction and a smooth inner surface for efficient fluid transportation. Designed to withstand high pressure and extreme environmental conditions, our spiral pipes are ideal for drainage systems and sand pumping operations. Trust our factory to deliver reliable and high-quality spiral welded pipes that meet your specific requirements.