O₂Micro International LTD - Cayman Islands
The Grand Pavilion
West Bay Road, George Town
PO Box 32331
Grand Cayman KY1-1209
Cayman Islands
(345) 945-1110

O₂Micro Taiwan
3F., No. 1, Sec. 4, Nanjing E. Road
Songshan Dist., Taipei City, Taiwan 105
886-2-2545-9095

5FL., No. 36, Lane 162
Kesyueyuan Road
Hsinchu, Taiwan 300
886-3-578-7448

オーツーマイクロインターナショナルジャパン
〒100-0005
東京都千代田区丸の内２丁目２番２号 丸の内三井ビルディング９階
03-6860-8350

O₂Micro China
9/Fl, Unit O3, Guanghua SOHO, #22 Guanghua Road
Chaoyang District
Beijing, China 100020
86-10-8835-4422

2B Zhang Jiang Mansion, No. 560 Song Tao Road
Zhang Jiang Hi-Tech Park, Pu Dong New Area
Shanghai, China 201203
86-21-5027-1133

Level (14) Building (A) Easthope
3rd Gaopeng Road
Chengdu, Sichuan, China 610041
86-28-8514-6308

Floor 1, Building A6, Wuhan Best City
No.9 Huacheng Ave, East Lake High-tech Development Zone
Wuhan, China 430076
86-27-8753-8966

17A Fl. Benyuan Building 
#6015 Shen Nan Avenue
Shenzhen, China 518040
86-755-2533-4662

Shanglv Mansion, Room 707 
No. 381 East Suzhou Avenue, Industry Park 
Suzhou, Jiangsu, China
86-512-6659-3177/79/80/81/82

5 Hanjiang Road, Wuxi New District
Jiangsu, China 214028
86-510-8521-9688