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Beijing Metalwork Petroleum Technology Co., Ltd
drill pipe;drill collar;heavy weight drill pipe;kelly;crossover sub;tricone b...
 
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Company name：Beijing Metalwork Petroleum Technology Co., Ltd
Address: yangzhuang nanli,tongzhou,beijing
Zip: 101101
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Website: http://mtwksylvia.worldinout.com/
Contact: Sylvia Liang （Mr.）
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