Sea drill digging machine uses more hard synthetic manganese. For hard soil, hard soil, clay, permafrost, etc. can be very effective in the implementation of its work, and to achieve the best job requirements. The digging machine according to species, matching a variety of specifications drill to meet user needs. The efficiency of the use of artificial drill dozens of times, the operation is not less than 80 pits per hour, working 8 hours a day by day, you can dig 640 pits, is 30 times more artificial. Website http://www.dhwkjsb.com? Http://www.dhjxsb.com? Address Gongyi City warehouse Nishimura Pan Jingli contact phone 13623866286