Quality is the key to product sales and the acceleration of enterprise growth. Originating from the lofty belief in quality assurance, the enterprise introduced a complete set of advanced testing equipment, cautiously and with every minute step, persevered in the implementation of total quality management, and formed a situation of quality control in which everyone participated and was responsible at all levels. Each department and post cooperated with each other, supervised each other, and jointly constructed the framework of comprehensive quality management.