1.Full compliance with API standard 2.high toughness 3 .protective 4.the protection of steel pipes The pipe end protection is mainly used for the protection of the steel tube end , it is by the guard ring , gaskets and expansion ring wedge . Liner protection ring , expansion ring wedge and on the protection ring wedge mouth is consistent . Thus it has a First , the structural design of novel and simple installation, demolition is extremely convenient, the protection of the pipe end effect .  Feature1.Full compliance with API  standard2.high toughness3 .protective4.the protection of steel pipes