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 ...
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Address:No.15, Yangguang Community, Beihuan Road, Hejian City , Hebei Province , China Cangzhou Hebei 062450 China