Kanban is a visual system for visualizing management information and is the main characteristic of Qianhao production and quality management system. The goal of Kanban is to achieve common understanding, to eliminate loopholes in on-site management, to provide a fair and transparent scheme for performance appraisal, to manage and improve each piece of work flow, and an effective way to prevent defective products. Qianhao Kanban management information include labor protection, safe production, PMC, workshop comprehensive management, 5S requirement, process work instruction, inspection work instruction, prevention of defects.