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History
——2017Year
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◆Launched full range ethernet and gigabit power over Ethernet power switch;
◆Launched full range ethernet and gigabit power over Ethernet power fiber switch;
◆Launched industrial power over Ethernet power switch;
Launched industrial and commercial layer 3 managed switch

——2016 Year
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Launched  1-16channel to FE and GE converter
Launched  1-16 channel E1 PDH multiplexer
 
Launched  upto 256channel telephone multiplexer 

——2015Year
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◆Shenzhen Billion Grand Tech Co.,Ltd.  was established in October 2015, determined to become a leading optical fiber communication equipment supplier.
Launched 10/100M and 10/100/1000M  fiber media converter;
Launched  HD fiber video converter
◆Launched HMDI/SDI/TVI/AHD/TVI fiber video converter
◆Get FCC, CE, RoHS certificates.