Drilling rig parts Supplier-Jining Donghong Machinery Co., Ltd
Email: rigparts@163.com Mobile/WhatsApp: 0086-18954079939 Skype: spareparts1960
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Drop-in check valve
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显示标签为“
Drop-in check valve
”的博文。
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2017年5月11日星期四
Supply API Spec 7-1 downhole drilling tools
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We supply Supply API Spec 7-1 downhole drilling tools that include: Kelly valves, kellys, drill stem subs, drill collors, heavy weight dr...
2017年4月29日星期六
Downhole tools for Drilling Rig ZJ70/4500D
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We supply Downhole tools include Rotary kelly,drill pipe,tool joint,drill collar,downhole motor,blade stabilizer,replaceable sleeve stabiliz...
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