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longdatelescope
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NO.21 Yunkai Road,Beibei
023-68023690
023-68023690
CHINA
Mike
longdatelescope@hotmail.com
http://www.longdabinoculars.cn
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Chongqing Long Da Optical Components Factory is established in 2000,and it is a formal manufacturer which is specialized in the telescope and its spare parts.Our factory is located in the national instruments research and development base in Beibei dis...

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