AOGONG VALVE.Founded in 2006 and headquartered in Wenzhou, Zhejiang, AOGONG VALVE is a professional valve manufacturer. Its products strictly comply with international API and DIN standards as well as Chinese national standards, and are widely used in long-distance pipelines and engineering projects across various industries, including petrochemicals, energy, metallurgy, power generation, and pharmaceuticals. Valve sizes range from DN15 to DN1600, with pressure ratings from 0.6 to 42 MPa, and temperature resistance from -196°C to 800°C. Connection methods include flanged, threaded, and welded, while materials cover carbon steel, stainless steel, and alloy steel. A comprehensive range of actuation methods is available, supporting manual, pneumatic, electric, and hydraulic controls, and enabling automation. Major product lines include acid-resistant stainless steel ball valves, metal-seated ball valves, large-diameter cast steel fixed-ball valves, high-pressure forged steel fixed-ball valves, fully welded ball valves, and various specialty ball valves, designed to meet the demands of diverse and demanding operating conditions.