The company has been making cast iron for 45 years, from the earliest production of jack parts to the current auto parts, air compressor parts, valve products, construction machinery products, agricultural machinery products, hydraulic components, etc. For the company, quality is the foundation of the company. Inheriting technology and serving customers is the company's policy of sustainable operation.

There are currently three factories in China. Tangshan Zhongyou (mainly producing auto parts, hydraulic parts, agricultural machinery and valve body) has three automatic molding lines, Disa, FBMII, HSP, the most heavy castings can be connected to 120 kg, The two Taicang Zhongyou (mainly engaged in construction machinery, agricultural machinery, machine tools, ships, butterfly valves, air compressors, textile machine parts) are mainly based on resin sand wire and FD4, can accept range 1~900 Kg, the third one is Jiagang Precision Industry (Yancheng) Co., Ltd. The main project is to process its own castings and CNC machine tools. It has its own brand UMAC CNC machining center and drill boring machine. In addition, the Taiwanese head office is now producing 3D. Printing of metal powder.