ADDRESS: UNIT D 10 / F CHINA OVERSEAS BLDG 139

                      HENNESSY RD WANCHAI HK

  TEL: +86-755-28039241

  FAX: +86-755-28039264

  E-mail: mandy@dhet.com.hk

  URL: http://www.dhet.com.hk

  ADDRESS: Construction west road, Long hua town,

                     Bao’an district, shenzhen city, Guang Dong, China

  TEL: +86-755-28039241

  FAX: +86-755-28039264

  E-mail: sales@dhet.com.hk

  URL: http://www.dhet.com.hk