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address:building 51, building 52, dayun software town, longgang district, shenzhen
tel:0755-28900676
e-mail:cone@chinacone.com
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address:1201&1202,building b,national engineering laboratory building,no.20 gaoxin south seventh road,nanshan,shenzhen
tel:0755-26902363
e-mail:cone@chinacone.com