Surat.NaLampang@warnermusic.com Finance Director 0818365093
Somruthai.isaranimitr@warnermusic.com Inter Product exec 0918438096
Sutipong.rojanaviphata@warnermusic.com Business intel mngr 0818202939

Warner whitelist only possible via facebook
Warner Head office is in HongKong
Warner Policy disallow whitelisting and is possible through filing dispute manually each video.
Update: Whitelisting is actually possible but warner music thailand has to file a request to its headquater.

Warner music thai, in youtube case, has to deal with each case through an agency.

BEC tero has the hold of licenses in thailand.