Zhengzhou Xinhai Machinery Manufacturing Co., Ltd. is specialized in grinding attachment :ball mills, dryer equipment: rotary drier; crushing equipment:jaw crusher,hammer crusher and sand-making production equipment and integrate development production, products for the integration of large and medium-sized modernized enterprise. The Company is located in China's largest traffic hub-Zhengzhou City, HenanProvince. The company, after three decades of developing, has already owned two branches, ...