Dear Khun Poobeth,
Pls. find encl. our acknowledge to get your PO kha.
Note : May be we can not service on Monday 21 Nov due to our calibration kits has problem. Now we wait USA to send calibration kits to us. I will let you know as soon as it arrive our office.
Sorry for this inconvenience case.
Note : pls. kindly update our office new telephone and fax # in your vendor database.