Zetong Machinery Co., Ltd. of Dalian Economic and Technological Development Zone is the subsidiary corporation of CNR Dalian Locomotive Research Institute Co., Ltd. We are a reputable company which specializes in the scientific research, design, manufacture and repair of diesel engine turbochargers and all the parts of them. Our annual production capacity is 2,800 pieces and annual repair capacity is 2,000 pieces. The other main products of our company is diesel engine pistons . During 30-year scientific research and productive practice , we have accumulated rich experience on the scientific research , manufacture and management , built high diathesis employee team , had perfect quality assurance system and well-equiped machines . We have been able to mass produce all kinds of Chinese main-line diesel locomotive pistons and part of other half & low speed engine pistons , the capacity has reached to 10,000 sets per year . Please feel free to contact us for further ...[More]nformation.