We are so sorry for late reply.
We impressed your products. but we can’t issue the PO for you now. because, You can’t display the currency in THB on your invoice. that mean, we must pay you amount of USD.
and now the ex-change rates is not stable. include our customers often changing the schedule all the time. it does difficult to control stock because very long lead time for delivery.
all about this, We have clarified in the final price on August 26, 2015.
I hope you understand and still waiting for answers on how to proceed with what we requested