We has broken away from a series of technical bottlenecks in long time construction operation pile foundations, and solved some problems puzzling the production rotary drilling rig present time. we have worked out multifunctional that can be attached to excavator, with functions both as ...
Telephone:86 - 0379 - 62119603
Address:Science&Technology park jianxi district luoyang city Luoyang Henan 471003 China
Zhengzhou Hanfa Imp&Exp Co., Ltd engaged in manufacturing and selling of drilling machinery, engineering machinery the agriculture manufacture technical service. We have 12 years experience water well rig, piling core DTH drill, rig selling. ...
Telephone:86 - 371 - 67990397
Address:No.7, Dongqing street, Zhengzhou city, Henan Province China Zhengzhou Henan 450000 China