About GRT Founded in April, 2008 and headquartered in Zhongguancun High-tech Park in Beijing, Beijing Guang Run Tong Technology Development Co.,Ltd(GRT ) is an high-tech enterprise with strong strength of R&D, manufacture and marketing, independent intellectual property and self-owned brand.
GRT has a professional R&D team specialized in optical communication industry. They are experts from network connection, data transmission, optical communication, interface conversion manufacturers, with ove...
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