>Mechanism used to support a casing or tubing string in a casing or tubing head by means of a male or female thread attached to the casing. The seals of hanger are designed to meet operating pressures up to 15,000PSl (Metal + Elastomer seal is used for over 10K and Elastomer seal for 10K and below). Lifting thread of the hanger can be designed as ACME left screw thread or casing/tubing thread. At the same time, ESP holes, control cable holes and chemical injection line holes are allowed on the tubing hanger body.