Company Information

GRT offers a 7*24h technical support service, assuring that the customers' questions could be solved anytime and anywhere.

In 2008, the predecessor of GRT --Guang He Zhi Da became the supplier of optical transceivers for the Beijing Olympics network center. In October 2009, GRT optical transceivers were offically launched into market, with a wide product range including 1*9, SPF, SFP+, BIDI, XFP, etc. GRT became the designated supplier of optical network products for China Aerospace. In 2010, GRT optical transceivers became the designated supplier of network security products for the Expo 2010, and accomplished the network security for the Expo successfully. In the end of 2010, GRT network card was fully launched, including F901T, F902T,F904T, F901E,F902E,F904E, F1001E,F1002E, etc. In 2011, GRT Ethernet adapter F902E became the best-seller of China's independent network card. In 2012, GRT brand passed necessary international certifications of FCC, CE and FCC. In2013, GRT became the long-term supplier of fiber optical products for a famous communication operator. In2014, GRT was the first domestic brand to launch the 40Gb fiber optic network card and transceiver in China