Submitting an EoI with us would not be binding for you if you are presented as our Thai sub-consultant. You may decide to drop out at the bidding stage if you are no longer interested. However, the letter in attachment would have to be signed by you (and printed on your company's headed paper) and sent back to me, if possible before tonight. Additionally, I would appreciate to receive from you a presentation of your company that I would attach to our joint expression of interest, as well as the description of a few projects carried out by your company.