To whom it may concern
This is to certify that Mr.Pitsanu Promma has being employed at The Greatwall Drilling Company (Thailand) Limited , an onshore drilling company. He current position is Crane Driver.
He has performed her responsibilities in this position since 21-Dec-2010 until
07-Oct-2013
Yours Sincerely,
Ms.Supanaree Wananatung
HR. Manager
Greatwall Drilling Company (Thailand) Limited