Henan Ruiqi Quality Inspection Equipment Research Institute( http://rich-cn.com )Established in 1996, after 20 years of development, the current holding companies are Henan Jianyi Technology Co., Ltd. and National Cable Network. Henan Ruiqi Quality Inspection Equipment Research Institute specializes in the research, development, promotion, and sales of various testing equipment such as natural ventilation aging chambers, wire and cable bundle combustion testing devices, single cable vertical combustion testing instruments, wire and cable sampling equipment, wire and cable intelligent projectors, wire and cable fire resistance testing devices, conductor DC resistance testers, wire and cable combustion equipment, wire and cable insulation thickness testers, and wire and cable testing equipment. Over the past 20 years, we have independently developed more than 50 types of testing equipment and obtained 44 invention patents and utility model patents; We have equipped professional laboratories for multiple national quality inspection centers, provincial quality inspection institutes, quality inspection institutes, construction engineering quality inspection stations, power research institutes, production enterprises, etc. in China, and have undertaken a large number of key scientific research projects; More than 60% of wire and cable production enterprises in China use natural ventilation aging boxes and wire and cable testing equipment developed by Henan Ruiqi Quality Inspection Equipment Research Institute. In 2010, it was rated as one of the top 20 enterprises in China for specialized equipment and instruments for wire and cable testing by the China Industry Enterprise Information Release Center of the National Bureau of Statistics. Henan Ruiqi Quality Inspection Equipment Research Institute is the initiator, executive director unit, and resident unit of Henan Wire and Cable Industry Association.