After-sale service center of Lingxunda, since receiving bad handset, deals with and returns within 2 days for exchanging handset and within 3 days for guaranteed-repairing handset. 

     To improve integral operating level, Lingxunda established after-sale processing center covering several thousands square meters. It has staff over 100 including over 70 professional maintenance and technical staffs. It has technical support center, call center, material control center, network node administration center and maintenance center to offer customer multi-directional service. Meanwhile, it sets up absolute supervision center to monitor after-sale operation.