Shenzhen STA Radio Frequency Technology Co., Ltd. is a company specializing in radio frequency connection technology. It is one of the few domestic companies that integrate connectors, wire harness and feeder processing, and antennas. The company is a subsidiary of Zhengcheng Electric (Hong Kong) Co., Ltd. It has a production and research base in Shenzhen and a large-scale production base in Yangzhou. Now it has 60 precision lathes, nearly 40 CNC machine tools and other production and processing equipment. The company has realized computerized ERP management and passed IS09001: 2000 quality system certification in 2001.