Digital twin technology achieves online monitoring，evaluation，and optimization of items or institutions by constructing a network equivalent model of physical objects. Its origins can be traced back to NASA at the end of the 20th century，and it is now widely used in many manufacturing industries. The application of digital twin technology in the manufacturing industry is becoming increasingly popular，greatly promoting the improvement of production efficiency，reducing production costs，and improving the quality of finished products. To investigate the current status and development trends of digital twin technology in the global manufacturing industry，this report adopts literature research and case study methods to systematically study the challenges faced by the global manufacturing industry，the digital transformation of the manufacturing industry，and the application and practice of digital twin technology in aerospace，automotive manufacturing，semiconductor and electronic product manufacturing，heavy industry，and machinery production. The report analyzes the progress direction of digital twin technology，the upgrading trend of manufacturing industry structure，as well as policy and market trends. The report believes that the application scope of digital twin technology in the global production field continues to grow. In the future，digital twin technology will be integrated with cutting-edge technologies such as quantum computing，blockchain，and augmented reality to help the manufacturing industry transform towards adaptive production systems and sustainability. The report recommends that production enterprises and decision-makers provide financial support for talent and technology，develop cooperation mechanisms and data processing plans involving multiple fields，and ensure the efficient utilization and continuous progress of digital twin technology.