Spiral steel pipe is an important steel pipe in the project construction. It is formed by spiral submerged arc welding technology. The process is formed using narrower plates or hot rolled coils, which lowers their production costs significantly. The welding line is shaped like a helix. The spiral welding process permits the production of large-diameter pipes suitable for transporting large volumes of oil and gas. Application of spiral welded pipe 1. Water supply engineering 2. Petrochemical industry 3. Chemical industry 4. Electric power industry BESTAR Steel Co., Ltd is a China-leading product service provider and exporter of steel pipe. It passed the SGS Certification of China Supplier System, ISO9001 Quality Management System Certification, ISO 14001 Environment Management System Certification, ISO45001 Occupational Health & Safety Management System Certification, and so on. Our main products include petroleum&gas exploration and transportation pipeline, fluid transmission pipe, boiler tube, ocean & port construction pipe, building, and structural-use pipe, etc which covers complete product varieties, and a complete specification range and are produced strictly under international standard. Qualified products are BESTAR’s core competency. Our product withstands inspection from all major international inspection institutes on a long-term basis. BESTAR Steel Co., Ltd, is committed to providing professional service to global clients including the lowest price support, professional technical support, flexible payment methods, strong financial support, an integrated procurement program as well as a comprehensive bidding program to help customers create value, has become the most reliable partner in the steel pipe industry. If you want to know more, please click https://www.bestartubes.com