Problem with my warranty, help me please?

I bought a HDD RE4 from China last year. I already required to change the warranty zone to vietnam. The status was “in limited warranty”.
Now my drive have a lot of badsector and i need a warranty. Howerver, the warranty staff in Vietnam said my device could not be warranted in vietnam and asked me to call for the support from WD, but have no idea how to contact WD so i post message in here, I need some help.
thank you very much and sorry for bothering.

chungchsi,

For warranty related questions, you need to contact WD Support directly.

Please see below the WD Support contact info:

http://support.wdc.com/country/index.asp?lang=en%22