1. The manufacturing and testing of products have quality records and testing data.

2. For the test of product performance, we sincerely invite users to personally inspect the whole process and performance of the product, and then pack and ship the product after it is confirmed to be qualified.

1, in order to ensure the high reliability and advanced nature of the products, the domestic and international high-quality brand products are selected for the system.

2. Under the same competitive conditions, our company will provide you with the most favorable price in good faith on the basis of not reducing the technical performance of products and changing the parts of products.

1. Product delivery time: as far as possible according to the user's requirements, if there are special requirements, which need to be completed in advance, our company can specially organize production and installation, and strive to meet the user's needs.

2. When the products are delivered, our company provides the following documents to the users;

① Technical maintenance manual

② General installation drawing

③ Specification and manufacturer of purchased parts

④ Provide list of vulnerable parts and spare parts, and attach a certain amount of spare parts

1. Service tenet: fast, decisive, accurate, thoughtful and thorough

2. Service objective: to win customer satisfaction with service quality

3. Service efficiency: in case of equipment failure within or outside the warranty period, the supplier can arrive at the site and start maintenance within 24 hours after receiving the notice.

3. Service principle: the product warranty period is 12 months. During the warranty period, the supplier will repair and replace the parts and components damaged due to quality reasons free of charge. For the parts and components damaged beyond the warranty period, only the cost will be charged for the parts provided. For the equipment damaged due to human factors of the demander, the parts repaired or provided by the supplier shall be calculated according to the cost price.