Nader always adheres to the customer-oriented service concept,

It has established 87 offices nationwide, 3 overseas offices, 6 product line team, 300 R&D engineers,

With internal and external linkage, it provides customers with more intimate, professional and efficient service.

It launches the three-year product warranty in the industry with the after-sales service priority to solve the problem for customers, so as to ensure reliable power of customers.

From the customer requirements, 24-hour service to the information archiving, the whole process ensures that customers will be provided with the best quality service.