| Headquarter |  |  |  |
| JL World | Contact | Ms. Yonme Ho |
 | Address | 407 Shui Hing Centre, 13 Sheung Yuet Road,
Kowloon Bay, Kowloon, Hong Kong. |
 | Telephone
Fax
email | [+852] 2565 0319
[+852] 2565 6979
yonme.ho@jlworld.com
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| Regional Contact |  |  |  |
| North American | JL Optimus LLC |  |
| Branch | Contact
Telephone
Fax
email | Mr. David Waddick
[+1] 847 960 3734
[+1] 847 960 3734
dwaddick@jloptimus.com
|  |
| Singapore, | GS Technology Pte. Ltd. |  |
Malaysia,
Thailand | Contact
Telephone
Fax
email | Mr. Francis Lee
[+65] 6483 2920
[+65] 6483 2930
francislee@gstec.com.sg
|  |
| Russia | Specelservice Co. Ltd. |  |
 | Contact
Telephone
Fax
email | Mr. Valentin Tkachev
[+7] 95 250 9948
[+7] 95 250 9948
valentin@specelservice.ru
|  |
| Germany | Telcona GmbH |  |
 | Contact
Telephone
Fax
email | Mr. Rolf Dewald
[+49] 7261 655 388
[+49] 7261 655 389
rolf.dewald@telcona.de
|  |
| France, | Telcona AG |  |
| Switzerland | Contact
Telephone
Fax
email | Mr. Christoph M. Mueller
[+41] 44 860 2550
[+41] 44 860 2822
christoph.mueller@telcona.com
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