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East River Enterprise Limited (Headquarters) 　　

Email:   support@opticsor.com　　　
Tel.:      0086 20 8279 9189　　　
Fax:      0086 20 8279 9289　　　
Add.:    Floor 12th, Dinghao Building #321 Gangkou Avenue
            Guangzhou, Guangdong 510340 P.R.C


Guangzhou Awelead Co., LTD (Manufacturing Base) 　　

Email:   support@opticsor.com　　support@awelead.com　
Tel.:      133 3281 8293　
Fax:      0086 20 8279 9289　
Add.:    Floor 1st, Dongling  Building No. 318 Qichecheng Avenue
            Guangzhou, China　　
 
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