at this point I would email namphung@norh.com to ask
If you get no response (they are 11 hours ahead) try the norhtec.com emails - it is really the same company,
The quickest way may be:
Norhtec Corporation (Thailand) Ltd.
99/24, 11th Floor, Unit A3
Software Park Building, Chaengewattana Road,
Pakkred, Nonthaburi 11120
Thailand.
Phone: (662) 962 1546-7
Fax: (662) 962 1547
North America
Fax / Voicemail: +1 (703) 935 8686