1. The first is the company's quality department, which organizes the planning, implementation, supervision and review of the company's internal quality management system to ensure the comprehensive, continuous and effective operation of the two major quality management systems of ISO9001 and TL9000 in the company.

2. In addition, a full-time quality management team is set up in the production line and a quality management information platform is adopted to implement the whole process quality monitoring from raw material procurement, contract review, product production, finished product delivery to after-sales service to ensure that products, processes and services meet the needs of users .