All-round and full-process quality management. New product quality (NPI) management. According to APQP、PPAP requirements, strictly implement the quality plan and control of new products. Raw materials quality management. Strictly control the quality of the raw materials from supplier qualification management, new materials certification management, raw materials inspection management, and other aspects. Production process quality management. Strictly control the product's production quality from equipment, operator, materials, method, environment, and other aspects. Product shipment quality management. Strictly control shipment risk, to pursue zero defect as the goal, extremely low level of customer complaints. Product after-sales quality management. Complete product after-sales service system and process, product RMA management. Professional and experienced after-sales service personnel. After-sales feedback is fast. Product quality continues to improve Carry out 6 SIGMA system improvement methods and DMAIC improvement methodologies effectively. Implement 6 SIGMA tools such as FMEA, DOE, MSA, SPC, and lean manufacturing. Adhere to high-quality brand strategy. Implement the principle of product safety and quality priority, and create comprehensive competitiveness of product quality, technology, and cost.