... ,EE,FFPressure:2000~20000PSIClass:Drill Thru EquipmentAbout this product:Wellhead equipment and oil tree is an important oil and gas mining ... equipment, from the casing head, tubing head, oil (gas) tree consists ... productsAA,BB,CC,DD,EE,FFApply MEDIAOil, gas, mud, etc API 6A wellhead christmas tree