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On December 4, 2013, the ministry officially to the 4G licenses issued by three carriers, means China formally entered the commercial 4G era, at the same time the domestic "broadband China" program

On July 4, 2022, the resident overseas branch of Nanjing JILONG Optical Communication Co., Ltd. (abbreviation: JILONG Communication) was officially established in Islamabad, the capital of Pakistan.

Occasionally passing by the communication tower in a certain corner of the city, looking up, you can always meet one or two busy communication engineers at the top of the tower. It's hard work, but y

In the 21st century, optical fiber communication has become one of the important ways of modern communication, and optical fiber fusion splicer, as an ideal way of optical fiber connection, has become