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  1. Unionlever (Group) Petroleum Equipment Co.,Ltd.

    API 5CT Coupling



    UNIONLEVER  provide all serise coupling for casing and tubing as API 5CT standard. 

    Casing coupling
    Size:4 1/2"-20"
    Grade:H40,J/K55,N80,L80,P110 
    Thread type: STC,LTC,BT 

    Tubing coupling
    Size:2 3/8"-4 1/2"
    Grade:H40,J/K55,N80,L80,P110
    Thread type: NU,EUE 

    We also provide coupling meet D-10 standard.
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