Coal Mining

Coal Mining

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Oil Fields

Oil Fields

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Natural Gas

Natural Gas

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Metal Mining

Metal Mining

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Geological Exploration

Geological Exploration

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Civil Engineering

Civil Engineering

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Address: No. 10, Dongqing Street, High-tech Development Zone, Zhengzhou City, Henan Province, China

Telephone: +86 155 1617 0197

Fixed line: 0011 86 371 67993699

Fax: 0011 86 371 67993699

E-mail: zzltdd@163.com

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