ADDRESS:23rd Floor, Henan Coalfield Science and Technology Center Building, No. 70 Shangding Road, Zhengzhou Area (Zhengdong), Henan Pilot Free Trade Zone | BUSINESS SCOPE: | Geological drilling; gas and solid mineral resource exploration; geotechnical engineering construction; water well construction; engineering survey; geological hazard risk assessment; geological hazard survey and construction; land consolidation and reclamation; geological technical services; drilling technical services; directional technical services; petroleum Engineering and technical services; graphic design; equipment leasing; mechanical maintenance; coal mine technical services; gas drainage drilling; hydrological drilling; geological drilling construction; comprehensive logging; geo-steering and connectivity; import and export business. | E-MAIL: | hnyz668@163.com;chenghuling-36@126.com;chenghuling_36@126.com
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