Rongcheng has a complete after-sales service system, providing professional and perfect after-sales service management, striving to satisfy customers and establish a good image. After-sales service adhering to: integrity, customer achievement, improve themselves, the pursuit of excellence. For each order, from technical communication to contract signing, from product inspection to finished product warehousing in each link, from transportation to customer site to project completion and operation, we provide all-round tracking service.