Lei Chen

Chengdu NTS Technology Co., Ltd. provides radio frequency sub-systems. Its product lines range from power amplifier modules to communication subsystems. The firm's solutions cover high and low densities for outdoors, indoor supplementary and residential coverage, filters for medical instruments radio solutions, and internet of things including smart grid and communications. The company was founded by Rui Li in 2003 and is headquartered in Chengdu, China.

Sichuan Kezhi Civil Defense Equipment Co., Ltd. engages in the research, development, production, sale, and installation of protective equipment, chemical protection equipment, and other special equipment for human defense. Its products include reinforced concrete protection equipment, steel structure protection equipment, valves, anti-electromagnetic pulse equipment & facilities, subway & tunnel mainline protection doors, toxic filter ventilation equipment, nuclear & chemical alarms, and monitoring & control equipment. The company was founded on February 11, 2009 and is headquartered in Chengdu, China.