... .40H,C,N,L,P5.51NU6.50H,C,N,L,P5.51EU7.80C,N,L,P7.01NU7.90C,N,L,P7.01EU8.60C,N,L,P7.82NU8.70C,N,L,P7.82EU9 ... .45L,C8.64EU88.90(3 1/2")9.20H,J,C,N,L ... ,P6.45NU9.30H,J,C,N,L,P6.45EU10.20H,J,C,N,L7.34NU12.70C,N,L,P9.52NU , EU12 ... .65EU114.30(4 1/2")12.60H,J,L,N,C,T12.75NU12.75H,J,L,N,C,T12.75EUShandong Jialong Petroleum Pipe Manufacture ...