A flange, in simple terms, is a type of connector commonly used for connecting pipes, valves, and other equipment. Its main function is to secure two components together through bolts or welding, ensuring that the flow of fluids or gases in the pipeline is not disrupted.

From December 19–20, 2022, an audit team composed of two experts from Beijing Zhonglian Certification Co., Ltd. conducted a surveillance audit of the company’s ISO 14001:2016 environmental management system through a combination of online and on-site methods. After the audit, the expert team unanimously concluded that the company’s currently operating environmental management system complies with the requirements of the ISO 14001:2016 standard, and the company has successfully maintained its certification qualification.

This audit covered seven departments, including production and technical quality, as well as the foundry and machining workshops. During the audit process, the experts conducted a detailed review of the implementation status of the environmental management system across each department and workshop.