USA
American East
Dr. Lei Quan
Suite 106, 2 Lincoln Highway, Rt. 27
Edison, NJ 08820
USA
Tel: 1-(732) 421-5558
Mobile: 1-(908) 644-2063
Fax: 1-(732) 494-9112
E-mail:leiquan@yahoo.com
American West
Mr. Charlie 
Realtek, Inc
4790 Irvine Blvd., Suite 105 - 170
Irvine, CA 92620
USA
Tel: 1-(800) 605-3583
Fax: 1-(949) 273-4989
E-mail: c_ren@yahoo.com
Website: http://www.laserATL.com
China 
Advanced Technology Laser Co.,Ltd.
920 Jianchuan Rd. A2-5F，Shanghai, 200240, China
Tel: 86-21-54712150(Marketing Department)   85-21-54712151
Fax: 86-21-54712152(Marketing Department)
Email: sales@at-laser.com
http://www.at-laser.com/
Germany
Volker Endemann
Nassauerallee 110, 47533 Kleve,Germany