Service guarantee means that enterprises provide a series of services to ensure that customers can get good pre-sale, mid-sale and after-sales services. Product guarantee refers to the enterprise's guarantee of product quality and after-sales service. After-sales guarantee refers to a series of after-sales services and support provided by enterprises to customers after they purchase products. Safety refers to the measures taken by enterprises to ensure the safety of customers in the process of using products and services.

The embodiment of service guarantee, terminal guarantee, after-sales guarantee and safety guarantee can improve customers' trust and satisfaction with the enterprise and increase its popularity and competitiveness. At the same time, it is also the performance of corporate responsibility and integrity.