The company takes "enthusiastic service, rapid response, accurate judgment and honest treatment" as the after-sales service purpose, takes "customer first" as the service principle, takes Shijiazhuang as the center, sets up regional after-sales service centers in six major cities across the country, establishes a perfect service network, responds to the user's requirements within 4 hours, and strives to rush to the site in 24 hours for customers in urgent need of on-site service. The company promises to implement "guaranteed repair, return and replacement" for quality problems until the problems are solved to the satisfaction of users.