•  No need to replace BOP during drilling.

•  Mandrel type casing hanger designed with mud circle groove.

•  Equipped with emergency slip to avoid casing being locked during lowering casing and mandrel casing hanger not at right position.

•  Apply to all kinds of casing and tubing program.

•  Can use different seal type.

•  Working pressure: 2000PSI～20000PSI

•  Working Medium: oil、natural gas、mud and gas containing H2S、CO2

•  Working Temperature: -46°C～121°C（Class LU）

•  Material Class: AA、BB、CC、DD、EE、FF、HH

•  Specification level: PSL1-4

•  Performance Requirement: PR1-2