Core Points - The construction of the Zhungdong Coal-to-Natural Gas Pipeline, China's largest coal-to-natural gas export pipeline project, officially commenced in early September in Changji, Xinjiang [1][3] - The project is a key initiative of the National Pipeline Network Group, integrating the clean production capacity of the Zhungdong base into a national network, with the first phase spanning a total length of 254 kilometers [3] Company Summary - China National Petroleum Corporation's subsidiary, Ziyang Steel Pipe Company, is responsible for supplying all spiral seam submerged arc welded steel pipes for the first phase of the project, covering nearly 100 kilometers [1][3] - Ziyang Steel Pipe Company implements strict quality control measures in raw material procurement, ensuring zero use of non-compliant materials through a comprehensive traceability system [3] - The company is currently focused on enhancing production efficiency and product quality, supporting multiple national key projects, including the Zhungdong Coal-to-Natural Gas Pipeline and the second line of the Sichuan Gas Eastward Transmission Project [3]