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Highland Co***ny Drilling Rig Plant has advanced key facilities and assembly workshops for manufacturing rigs and it has enough test sites for assembling 12 sets of large scale drilling rig at the same time. 5 series (ZJ20¡«ZJ70, including18types) of drilling rigs have been developed and manufactured. These developed and manufactured products consist of mechanical driven, DC driven, alternating current frequency conversion driven and mechanical and electrical compound power driven drilling rigs, which can ha...
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