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Hejian Deris Petroleum Drilling Equipment Co., Ltd Address : Junziguan Industry Park NO.88, Hejian City, Hebei Province, China Tel: +86 (0)317 5586567 Fax: +86 (0)317 5586567
Hejian Deris Petroleum Drilling Equipment Co., Ltd
Hejian Deris Petroleum Drilling Equipment Co., Ltd www.welldrillingbit.com WhatsApp/ WeChat : +8615128708428 Skype: jenny19871026shen &nbs
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.