1. Quality system: In order to effectively control factors such as technology, management and personnel that affect products, to prevent and eliminate unqualified products, the company has planned and systematically formed quality system documents, and strictly implemented them to ensure quality assurance The system continues to work.

2. Design control: ensure that product design and development are planned and implemented in accordance with design control procedures to ensure that products meet relevant national standards and user requirements.

3. Document and material control: In order to maintain the completeness, correctness, unity and effectiveness of all the company's documents and materials related to quality, and prevent the use of invalid or invalid documents, the company strictly controls the documents and materials.

4. Procurement: In order to meet the quality requirements of the company's final products, the company strictly controls the procurement of raw and auxiliary materials and outsourced parts. Strict control over supplier qualification verification and procurement procedures.

5. Product identification: In order to prevent the mixing of raw and auxiliary materials, outsourced parts, semi-finished products and finished products in the production and circulation, the company stipulates the way to identify products. When traceability requirements are stipulated, uniquely identify each or each batch of products.