Min. Order Reference FOB Price
1 Piece US$500.00-5,000.00 / Piece
Product Description
Customized PSL1~PSL4 wellhead assembly casing head for oil well controling The lowest part of the wellhead that is almost always connected to the surface casing string, and provides a means of suspending and packing off the next casing string. Providing attachment to the surface casing string ...