Please let me reply to what you said.
First about =TNT= 3# noob Shua Qiang Fu |QQqun555753275 What is the purpose of this server?
http://battlelog.battlefield.com/bf4/zh/servers/show/pc/33636cc6-a47b-4916-95a8-dd22bac151cd/TNT-3-noob-Shua-Qiang-Fu-QQqun555753275/ (刷枪服 = Gun equipment unlocking server)
This server itself is in order to unlock the equipment of the gun, All players joining the server are to unlock the gun equipment and join the server.
So we will have such a high number of kills, This is because of our purpose the result, So I don't have any cheating behavior, We just kill each other and get high kills.
If you are willing to investigate other players on this server, You should be able to find the same situation as me.
If I cause your misunderstanding, I hope that you can forgive me.