... (mm)END60.32(2 3/8")4.70H,J,L,P4.83NU , EU5.80C,N,L,P6.45NU5.95L,P6.45EU7.35C,L8 ... (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 ... ,L6.65EU114.30(4 1/2")12.60H,J,L,N,C,T12.75NU12.75H,J,L,N,C,T12.75EUShandong Jialong Petroleum Pipe ... for high quality and innovative product range coupled with committed services. Quality is the corporate mantra. We ensure that quality is ...