Shandong zhaori Stainless Steel Co., Ltd. is a national high-tech enterprise, a graduate internship base at Shandong University, a specialized, refined, and innovative enterprise in Shandong Province, and an engineering laboratory in Weifang City. Its main products include high-end stainless steel welded pipes, automotive intake and exhaust system components, and various plastic formed pipe fittings. It is widely used in fields such as automobiles, engineering machinery, agricultural machinery, food machinery, heat exchange systems, pressure vessels, medical equipment, and petrochemical industry. The company focuses on independent research and development of new technologies, conquering large-diameter thin strip welding stainless steel pipe technology and 1D bending technology. The plastic forming expansion rate of stainless steel welded pipe mouth can reach 81%, and has won 8 invention patents and 21 utility model patents, including welding steel pipe inner shaping device and process, and extrusion machine for mixed pipe processing. It specializes in research and development innovation of non-standard stainless steel pipes and components.