Dongguan Huangjie Communication Technology Co., Ltd. was established in 2015. Its predecessor, Shenzhen Huangjie Technology Co., Ltd., was established in 2009. It is an antenna manufacturer integrating R&D, production and sales. Its main products include precision connectors (USB, HDMI, SIM card...), RF connectors (SMA, I-PEX, F head, N head, TNC, BNC...), antenna manufacturers (internal and external: 2.4G; 5.8G; 3G; 4G; 5G; NB IOT ;…Antenna for each frequency band) and FPC flexible cable