Chengdu Yanfeng Technical Development Co., Ltd, invested by The Southwest Research Institute of CREC (China Railway Engineering Group), is a high-tech enterprise. Yanfeng had its origin in a study group of Southwest Research Institute about Wet Shotcrete technology and was the outcome of transforming scientific and technical achievement into industry. Our business scope includes engineering mechanism; building materials; environmental protection equipment; developing , producing and selling electronic products; equipment lease, installation and technical service, technical consultation and technical service for tunnel and underground engineering, act as a purchasing and selling agent for building materials and electromechanical products, test of concrete. Our principle is production and service.
