Hunan Nanhong Technology Co., Ltd. is located in Tantang Industrial Park, Jiahe County. Located 10 kilometers east of Yuelin Expressway. The enterprise was founded in 1996, covering an area of over 36000 square meters with a factory building of over 20000 square meters. The company currently has 160 employees. The annual output of castings is over 10000 tons. The company is an integrated unit of casting and machining.

The company's products mainly consist of high-quality castings such as automotive parts, engineering machinery parts, agricultural machinery parts, and machine tool parts. The materials include gray iron HT250, agricultural engine housing, automotive engine housing HT300, ductile iron QT400 to QT700, and various grades of cast steel parts.

The main equipment of the enterprise casting department includes: one resin sand production line, two horizontal molding lines, two paint lines, one wire feeding spheroidization station, and two heat treatment equipment. The testing equipment includes: furnace front molten iron analyzer, temperature gun, optical analyzer, tensile testing machine, metallographic detector, hardness tester and other testing equipment. The main equipment in the machining workshop includes more than 150 advanced devices such as three coordinate, vertical machining centers, CNC lathes, horizontal machining centers, gantry machining centers, etc.