Using lean quality management, lean team management, continuous improvement and other means, focusing on supply chain optimization, production line construction, planning coordination, quality improvement, equipment management, site management, continuous improvement, etc., multi-dimensional implementation of improvement plans. The service field involves auto parts, chemical energy, military equipment, electrical and electric power, metallurgical forging, mining equipment, nuclear power and special equipment, furniture manufacturing, instrumentation, engine manufacturing and other industries. Lean management is the basic guarantee of intelligent manufacturing, which helps high-quality development to promote core competitiveness.