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Orient International Exhibition Co., Ltd
Unit 602, Austin Tower 22-26A Austin Avenue Tsim Sha Tsui, Kowloon Hong Kong
Hongkong
+852 2789 3220
+852 2789 3260
http://www.orientexhibition.com.hk
orientex@netvigator.com
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COOA (China Optometric & Optical Association)
Room 505, Tower B Fuzhuo Mansion 28 Xuanwumen Outer Street Beijing 100052
China
+86 10-8355 9070-72
+86 10-8355 9075
http://www.chinaoptics.com
cooa@chinaoptics.com
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