You have already quoted as your handling charge THB3,500 (incl. customs clearance). Does it cover the profit?
Anyway this is very important that Shigeta is now thinking about using different forwarder if we couldn't meet their request.
We do know you don't have much profit but it may cause losing this business, that is why we need your help.
Meanwhile please start arranging this shipment due to it is an urgent matter.
For this shipment, the deadline is much important.