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AT&SE Welding Materials Co., Ltd. is a strategic business unit under Advanced Technology&Materials Co., Ltd., a subsidiary of the China Iron & Steel Research Institute Group (CISRI). As a central state-owned enterprise, the company is committed to its mission and has been a dedicated leader in the welding materials industry. Since its establishment in 1994, the company has grown into a professional manufacturer with two renowned brands: "Advanced Technology&Materials" and "Tianjin Sainteagle Welding", achieving synergistic development through its dual-brand strategy. Backed by the strong technical expertise of the Central Iron & Steel Research Institute (CISRI), Advanced Technology&Materials, and Tianjin University, the company has established a high-level R&D team and a comprehensive industrial production system. Aligned with national strategic priorities, AT&SE Welding Materials Co., Ltd. empowers major engineering projects through innovative welding material technologies, driving the localization of critical materials. In shipbuilding & offshore engineering, as China’s first company to achieve localization of structural steel and stainless steel flux-cored wires, it continues to provide key technical support for flux-cored wires in carbon steel, low-temperature steel, and high-strength steel applications. In energy & chemical industries, as a pioneering domestic enterprise in localizing special welding materials for boilers and pressure vessels, its product series fully meet the manufacturing demands of petrochemical equipment, boilers, pressure vessels, and even critical nuclear power components. In mega infrastructure projects, its developed product lines have been successfully applied in China’s landmark national projects. AT&SE Welding Materials Co., Ltd. 's product portfolio encompasses a full range of welding consumables, including flux-cored wires, solid wires, specialty electrodes, welding strips, and submerged arc welding materials, with an annual production and sales volume reaching 45,000 metric tons. Leveraging profound technical expertise in carbon steel, low-alloy steel, stainless steel, and nickel-based alloys, our products meet specialized requirements such as high-temperature resistance, corrosion resistance, and wear resistance. They are widely applied in strategic national industries including: shipbuilding & offshore engineering，bridge construction，petrochemical equipment，aerospace and nuclear power facilities.