Because of its’ flexible character, choke line and kill line hose are widely used for the connection of relative motion of well drilling floor, semi-submersible boat or well drilling boat. Choke line and kill line hose also can apply for transportation of high pressure medium such as oil, gas and mud etc., which mainly consists of relief hose, BOP hose, kill hose and choke hose. PPGL supply such choke and kill line hose as per API 16C Spec. Anti-high pressure, fire resistance, heat insulation, and wearable inner surface are main characteristics of such flexible hose.