United States
Optical Building Blocks Corporation
300 Birmingham Rd
P.O. Box 186
Birmingham NJ 08011

Phone: 609-894-1541

Fax: 609-784-7809

Email: contact@OBB1.com

Europe
PhotoMed GmbH
Inninger Str. 1
82229 Seefeld, Germany

Phone: +49 8152-993090

Fax: +49 8152-993098

E-mail: contact@OBB1.com

OBB Corp factory trained representatives

China
Chansn Instrument (China) LTD
Room 2101, Yunsun Tower,
West Zhongshan Road
Shanghai 200030
P. R. China

Phone: +0 21-64812211

Fax:+ 0 21-64811648

Email: chansn@chansn.com

Web site: www.chansn.com

Argentina
LASEROPTICS SA
Lavalle 1634, 3er piso
C1048AAN Buenos Aires, Argentina

Phone: +54-11-4374-6754

Fax: +54-11-4372-7531

Contact: Claudio Petriella

Email: laser@laseroptics.com.ar

Web site: www.laseroptics.com.ar

Taiwan
Toptical Scientific Corp. 7F-2, No. 421, Sungshan Road Taipei, Taiwan, ROC

Phone: +886 2 2346 1510

Fax: +886 2 2346 1520

E-mail: toptical@ms17.hinet.net