USA                                                                 Europe                                                              China
Headquarter                                                  Italy                                                                   Shanghai
Optodyne, Inc                                               Via Veneto, 5, 20044 Bernareggio                     Crown Technology (Shanghai) Inc.
1180 Mahalo Place                                          Milano, Italy                                                         Room 12D, West Da-an Plaza,Yan-an Zhong Rd
Rancho Dominguez, CA 90220                       Tel: 39-039-6093-618                                        Shanghai, China, 200040
Tel: 001-310-635-7481                                   Fax: 39-039-6800-147                                       Tel: +86 21-62472092; +86 21-62898019
Fax: 001-310-635-6301                                  E-mail: optodyne@optodyne.it                           Fax：+86 21-62472095
Email: Sales@optodyne.com                          Web: www.optoodyne.it                                   Email: crowntechnology@yahoo.com.cn
web: www.optodyne.com                                                                                                       Web: www.optodyne.com.cn