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0575-88612910
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HQ
Address: No. 11, Dongze Road, Chengdong Economic Development Zone, Shaoxing, Zhejiang
Zip Code: 312000
Switchboard:+86-575-88612910
Fax:+86-575-88613855
E-mail: Longsum@longsum.com
Business Department
Application-based LED: +86-575-88615657
SMD-LED: +86-575-88615658
       +86-575-88612910
        +86-575-88613843
Fax:      +86-575-88600326
E-mail:  Business@longsum.com

Shenzhen Office
Address: Trade Park Tairan 212 Room 309, Che Kung Temple industry, Futian District, Shenzhen
Zip Code: 518048
Fax: +86-755-61675622
Mobile: 013502873778 Mr Huang

Suzhou Office
Address: No. 102, Building 31, Meizhiguo, Wuzhong District, Suzhou
Zip Code: 215128
Tel: +86-512-67085135
Fax: +86-512-65657998

Egypt Office
Add:10Abd El Monem Hoseny Youssef Abbas ST., Nasr City Cairo
Tel:   002-02-22619750
Mobile: 002-0160316688
E-mail: g9388@163.com
 
SOUTH KOREA OFFICE
(주)광세미콘닥터
서울시 구로구 경인로 53길 15 중앙유통상가 나동 3316,2210,2510,2511호
전화:+82-2-26158293~4 , 6679-8293
팩스:+82-2-26888659
E메일:kwangled1@nate.com
KWANG SEMICONDUCTOR CO.,LTD
RM #3316 #2210 #2510 #2511 NA-DONG CHUNGANG CIRCULATION COMPLEX 15GIL, KYUNGIN-RO. KURO-KU SEOUL KOREA .
TEL:+82-2-26158293~4 , 6679-8293
FAX:+82-2-26888659
E-mail :kwangled1@nate.com