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ROSON CRYSTALS(History) |
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1973 Liaoning L.Y.H.Y crtstals factory.(our mother factory and it is the appointed supplier of the country for military crystals supplying ) |
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1994 Yantai Roson Electronics Co.,Ltd( the branch factory based in Yantai for civilian products produce) |
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2002 Shenzhen Distribution Centre |
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2005 chengdu sales branch office |
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2006 shanghai sales branch office |
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2002 HK Glory In Enterprise Limited(the oversea business contact window in H.K) |
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