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O-Net Technologies（Shenzhen）Group Co., Ltd.
Headquarters address：#35 Cuijing Road, Pingshan District, Shenzhen, China
Telephone：+86 755 2671 0000 / +86 755 3680 9666
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O-Net Technologies Beijing Branch（Beijing R&D center）
Address：1 / F, Gengfang International Development Center Office Building, No. 13, Huayuan Road, Haidian District, Beijing
Telephone：+86 10 6235 3150
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O-Net Technologies Hangzhou Branch（Hangzhou R&D center）
Address：Room A301, Building 6, Eastern Software Park, Wensan Road, Xihu District, Hangzhou, Zhejiang,China
Telephone：+86 571 8993 8419
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O-Net Technologies Wuhan Branch（Wuhan R&D center）
Address：No.602-607, Floor 6, Block A, Building 1, Guanggu Wuliangang Park, Donghu New Technology Development Zone, Wuhan City, Hubei ，China
Telephone：+86 755 2671 0000 Ext：3070
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O-NET Communications (HK) Limited
Address：Room C & D, 14/F., Centre Mark II, 305-313 Queen's Road Central, HK
Telephone：+852 2307 4100
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O-Net USA R&D center
Address：2235 Zanker Road, San Jose, CA 95131 United States of America
Telephone：+1（408）900-8825 x129
Silicon Photonics R&D center
Address：2249 Zanker Road, San Jose, CA 95131 United States of America
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Ottawa R&D center
Address：505 March Rd, Kanata, ON K2K 3A4
Telephone：+1（613）270-9832
Fax： +1（613）254-9106
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ITF Technologies Inc.
Address：400 boul. Montpellier, Saint-Laurent, Québec, CA H4N 2G7
Telephone：+1 (514) 748-4848
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3SP Technologies S.A.S.
Address：Route de Villejust 91625 Nozay Cedex France
Telephone：+33（0）1 69 80 57 50
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O-Net Technologies (Thailand) Co.,Ltd
Address：221/3 Moo 6, Pinthong Industrial Estate 3, Soi 4, Bueng, Sriracha District, Chonburi 20230
Telephone：+66 3313-6060
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