Beijing SDI Science & Technology CO.,LTD was established in 2003, and listed successfully in NEEQ in 2011(Stock Short Name: SDI; Stock code:430088), with main business oriented towards aviation, navigation, armament, electron, electricity, transportation and so on. The head office is located in Zhongguancun Yongfeng high-tech industrial base. The co***ny was awarded the first national high-tech enterprises in December, 2008, with three holding subsidiary corporations——Wuxi Tianhe Electronic CO.,LTD. , Jia...
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