Contact Us

 

HSL, PO Box 622, CH-1001 Lausanne, Switzerland.

Telephone:
011 506 2271 2293 (if you are calling from U.S. or Canada
00 506 2271 2293 (if you are calling from any other country)

Fax:
011 506 2272 6261
(if you are calling from U.S. or Canada
00 506 2272 6261 (if you are calling from any other country)


Email:
info@hsletter.com