service system
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.
