Our company fully implements the IS09001 international quality management system. In the process of product manufacturing, we strictly implement the 3 + 3 inspection system, that is, in the process of incoming inspection of raw materials, product process inspection, routine inspection of finished products and circulation of each process of finished products, we strictly implement self inspection, mutual inspection and special inspection, so as to effectively control the product quality and ensure that unqualified products do not leave the factory, Ensure that the product qualification rate reaches 100%. Product manufacturing standards: when users have specific requirements, we will carry out production in strict accordance with the requirements. When there are no specific requirements, we will organize production in strict accordance with the corresponding national standards of the product. The products provided are guaranteed to be qualified products. The raw materials used are high-quality raw materials provided by qualified suppliers who have been verified and verified according to the quality system control procedures. Advanced manufacturing technology is adopted to ensure that the product quality and product performance indicators are consistent with those described in the raw material procurement standards. In the manufacturing process of products, users are welcome to supervise and verify on the spot at any time, so as to truly ensure that the manufacturer is careful, the seller is at ease and the user is at ease.

I.Warranty period: one year

II.Quality policy and objective:

1. Quality policy: adhere to the purpose of meeting customer needs and expectations, ensure product quality, and achieve careful manufacturing, careful management, enthusiastic service and safe use.
2. Quality objective: the first pass rate of preliminary inspection of finished products is 98%; Solve the quality problems complained or fed back by customers for no more than 24 hours, and strive to continuously improve beyond customers' expectations.
3. Quality commitment: strictly fulfill the terms promised in the quality commitment letter.

III.Quality control measures

1. The quality management system is established and documented in accordance with ISO9001:2008, i.e. GB / T19001-2008 standard. The employees of the company will implement it and continue to be effective.
2. Effectively control all documents of relevant departments of the company's quality management system, ensure that the documents used by the company are under control and ensure the effectiveness of the quality management system.
3. All records in the quality management system shall be controlled to prove the operation status of the quality management system and the objective evidence that the product quality meets the specified requirements.
4. Review the adequacy, suitability and effectiveness of the company's quality system.
5. Control the implementation process of new product development and special contracts to ensure that products meet relevant needs. Organize new product development and quality plan preparation and management of special contract products and processes.
6. In order to ensure that the purchased materials meet the specified requirements, meet the needs of the company's operation, and keep the procurement process under control. Specify in detail the principles and methods of evaluation, selection, control and re evaluation of suppliers providing materials, put forward requirements for the preparation and approval of procurement documents such as material procurement plan and the verification of purchased products, and make specific provisions for the implementation of procurement work.
7. Control the facilities and other factors affecting the production, installation and service process of product quality to prevent nonconformities and ensure the manufacturing quality of products.
8. Control the re handling, storage, packaging, protection and delivery of purchased materials, semi-finished products and finished products to prevent product damage and deliver them to customers in good condition.
9. Monitor and measure the information related to customer satisfaction, ensure the effectiveness of the quality management system and clarify the scope of improvement.
10. Ensure the normal operation of the quality system and achieve the quality objectives, and monitor and measure the necessary operation process and relevant resources.
11. Control the inspection and test of purchased materials, outsourced products, processes and final products to ensure that all activities meet the specified requirements and ensure product quality. Formulate the inspection and test contents and methods of purchased materials, outsourced products, processes and final products in detail.
12. In order to ensure the effective control of nonconforming products, prevent the unexpected use or delivery of nonconforming products, ensure that the product quality meets the specified requirements, and specify the treatment methods and requirements of nonconforming materials, nonconforming semi-finished products and finished products.