Central Optic Tech

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ADD :1921-1922, 2#Building, 26# Chengtong Street, Shijingshan District, Beijing 100043 P.R.China.

Postal Code :100043
Fax :010-53679777

Tel :010-53679777
E-mail :info@centraloptictech.com

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ADD:1921-1922, 2#Building, 26# Chengtong Street, Shijingshan District, Beijing 100043 P.R.China.
Postal Code:100043
Tel:+010-53679777
E-mail:info@centraloptictech.com
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