Wireline Drill Rod Introduction of drill rod Roschen drill rods are made of high strength alloy steel tube material, with heat treating seamless steel ...
Casing Pipe, Oil Casing, API Casing, Well Casing, Casing Used for oil casing and tubing in oil wells as well as sidewall Casing Pipe, Oil Casing, API ...
PVC Slotted Screens/ Water Filter Slotted PVC Tubes pvc screen pipe tube Material: U PVC Color: Grey , white , blue or as request Standard: GB/T10002....