Improve service, maintain reputation, shape brand and expand market

After sales service is the final key link of quality control. The group put forward the ideological requirements of "quality first, user first and service first", and established a customer training service center，
Establish an after-sales service network covering all parts of the country, implement hierarchical dynamic management of service personnel, and strictly assess the political performance of service personnel according to the three standards of user evaluation, comprehensive assessment and performance linkage。