Wanvanan (S) Pte. Ltd.
18 Boon Lay Way,
#09-149, Tradehub 21
609966 Singapore
Phone: +65 9632 1743 /Fax: +65 6527 8365
Wanvanan Sales: sales@wanvanan.com
Wanvanan Support: support@wanvanan.com
Not sure they are still around. check with them.... I have issue with the first set, but the replace it with another set as it is within the one year warranty period.