Our service runs through the process of pre-sale, sale and after-sale.
　　 We strive to make every investment of our customers in Dachuan company can be efficiently value-added, customers and us achieve a win-win situation. To this end, we have worked hard to:
　　 1. Recommend product selection, provide customers with multiple solutions as much as possible, and provide construction or consultation for customers to screen out the best solutions.
　　 2. Provide products with quality, quantity and time guarantee. According to the actual situation of new, special and difficult projects of customers, special design, modification and manufacturing can be carried out.
　　 3. Provide 6-12 months warranty period and lifetime maintenance period for the product. During the warranty period, if the product fails or is damaged due to the company's reasons, maintenance is required, and the service personnel's travel expenses and replacement parts are all borne by our company. During the maintenance period, only the cost of materials or parts is charged. For the above services, the company will respond effectively within 24-48 hours.
　　4. A professional installation team provides customers with installation and guidance services, and can achieve "turnkey" projects. Professional technical personnel provide customers with professional training and technical support.
　　5. Establish a complete and detailed user profile and a complete service information management platform, provide long-term, timely and accurate services, take the initiative to call back regularly, listen to customer opinions and suggestions, continue to improve the quality of products and services, and continue to increase user satisfaction.