EAST gear execute the total quality control for all the parts we made from the raw material, process control, upto final finished parts inspection by kinds of inspection equipment. We establish QC team, while implement quality control projects. QC team could be a effective way to improve quality. Our QC team has accumulated a wealth of experience. Depth development and promotion of this activity, to solve all sorts of problems for product design, manufacturing, quality management, improve staff analysis and problem-solving skills, enhance the quality of enterprise management level, for the enterprise to create a considerable economic and social benefits.