We can produce simplex, double-stage and ternary casing head. Connecting with surface casing, they are applicable for fixing wellhead, hanging the casing string, sealing and controling the annular space between the casing and tubing. Top connections are API 6A flanged, and the flanges are provided with locking bolts;
Casing hanger has straight type seat bore and 45°cone of hanging shoulders, with strong loading ability;
Structural type of the matched casing hanger: slip or mandrel(thread);
Outlet connection can be thread, bolted flange;
Bottom connection can be threaded, welded or slip.