The sustainable development of the promotion project can be started from the following aspects: Material selection: In the manufacturing process of the forged flange, the selection of sustainable materials is crucial. Preference can be given to recycled or renewable materials, such as recycled steel or special alloys that meet environmental requirements. This helps to reduce the consumption of natural resources and reduce the burden on the environment. Process improvement: Optimize forging process, adopt energy-saving and emission reduction technology to reduce energy consumption and environmental pollution. For example, the use of efficient electric forging equipment, control forging temperature and time, reduce exhaust gas and wastewater emissions, etc., to reduce the impact on the environment. Product design: Consider the sustainability of the product during the design phase of the forged flange. By optimizing the structural design, reducing the use of materials and reducing the weight of products, resource consumption and transportation costs can be reduced. At the same time, it can be combined with functional requirements to optimize sealing performance and reduce leakage and energy waste. Recycling and recycling: Promoting the recycling and recycling of forged flanges is an important measure to achieve sustainable development. Design and manufacture detachable components for easy disassembly and replacement to extend product life cycle. At the same time, a recycling system is established to recover and reuse waste flanges to reduce the demand for natural resources. Compliance certification: Ensure that forged flanges comply with relevant environmental and safety standards, such as ISO 9001, ISO 14001, etc., through compliance certification to improve product quality and credibility. This not only helps to meet the requirements of customers for sustainable development, but also enhances the social image and competitiveness of enterprises. In short, the sustainable development of the project from the forged flange requires a comprehensive consideration of material selection, process improvement, product design, recycling and recovery, and compliance certification. Through these measures, resources consumption can be reduced, environmental impact can be reduced, and the sustainable development of the project in economic, environmental and social aspects can be achieved.