It was founded in 1956 after more than half a century of development, has now become a domestic first-class modern machinery manufacturing enterprise. br Calcined Dolomite Production line Lime Production line; Cement Production brbrHenan Zhengzhou Ming Machinery Co.Ltd. was established in 1956. After development of over half a century> it has became a comprehensive modernized enterprise which integrated research design, exploring manufacturing, selling installing, debugging and training. The factory covers an area of more than 55000m2 with fixed assets of more than RMB 100000,000.br