All inquiries should be directed to:

Heat Transfer Research & Development, Ltd. (HTRD)

1010 W. Lonnquist Blvd.

Mt. Prospect, Illinois 60056

U.S.A.

Att’n: Yong N. Lee, Ph.D.

e-mail: ynlee@htrdltd.com

Voice: 1-847-577-5967

Fax: 1-847-577-4229