This article introduces Langzhifeng Protective Technology Co., Ltd.’s achievement of ISO9001:2015 Quality Management System Certification. It explains the significance of the certification for safety shoes manufacturing, including standardized production, quality control, product traceability, inspection processes, and customer trust. Through certification details and a workshop quality-control story, the article highlights Langzhifeng’s commitment to “Lean Manufacturing, Quality First” and its ongoing focus on reliable, comfortable, and internationally recognized safety footwear solutions.