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upper safety valves”的博文。
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显示标签为“
upper safety valves”的博文。
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IBOP for top drive,upper safety valves,lower safety valves,top drive saver sub,actuator,top drive floating cushion sub,mechanical casing running tool(internal),casing running tool(external) at best price.
Jining Donghong Machinery Co., Ltd
Contact Us
www.dhparts.com
spareparts1960@foxmail.com
dh@dhparts.com
Mobile/WhatsApp: 0086-18954079939
Skype: spareparts1960