continuous sucker rod - 1 views
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saigaogroup on 15 Jul 20Saigao Group specializing in design, and manufacturing, sales and export of Oil,gas water drilling equipments, such as Casing, tubing, mud pump, cementing tools(float colloar, float shoe,stage collar,cementing head and so on), wellhead equipments(gate valves,casing heads,casing head,casing hanger,tubing hanger,and so on)