There are many kinds of manufacturing methods in the world, and the following are a few representative and widely used:
Toyota Production System (TPS) Lean Manufacturing
*For Toyota Motor Corporation of Japan, the core concepts of eliminating waste, realizing just-in-time (JIT), continuous improvement (kaizen), and automation (jidoka) are emphasized to improve efficiency and quality. 
Six Sigma
Originated from Motorola, it was widely promoted by General Electric. It is a data-driven quality improver** that reduces process variation through DMAIC (Define, Measure, Analyze, Improve, Control) processes with the goal of reducing product or service defect rates to 3 parts per million4 or less. Theory of Constraints (TOC).
Proposed by Israeli physicist Avery Goldrat, the TOC aims to identify and optimize the bottleneck of any system by identifying and optimizing the overall output of at least one constraint to improve the performance of the entire system. 
Agile manufacturing
Emphasis is placed on the ability to respond quickly to market changes, including flexible product design, resource allocation, and chain management to remain competitive in an environment of high-mix, low-volume production and customized demand. Smart Manufacturing Industry 40）
Combined with advanced technologies such as the Internet of Things, big data, artificial intelligence, and cloud computing, we will build a highly integrated and flexible smart factory to realize the optimal allocation of resources, personalized customization, real-time monitoring and decision-making optimization. Continuous flow manufacturing
The production process is designed to flow continuously, minimizing batch-to-batch pauses, ensuring a continuous flow of products from raw materials to finished products, reducing waiting time and inventory. 
Mass customization
Taking into account large-scale production and personalized needs, the use of modular design and intelligent technology enables enterprises to meet the needs of customers for personalized customization while maintaining low costs. Total Quality Management (TQM).
Advocate the corporate culture of full participation, whole process control and all-round improvement, aiming to achieve the goal of zero defect and customer satisfaction. 
Many enterprises will choose their own production mode based on their own conditions and development stages, and learn from the advantages of different parties to form a comprehensive management system that integrates a variety of concepts.