Zhengzhou Dayu Machinery Co., Ltd. is a leading mining machinery supplier in China, was established in September 1992. Dayu supply drilling rigs and air compressors base on ISO9001,ISO14001 management systems, and are CE,GOST certified.
Business scope: Mining crawler drilling rigs, hydraulic drilling rigs, core drilling rigs, rotary drilling rigs, borehole drilling rig, down the hole mining drilling machine, crawler water