... Pipe 1.the short delivery 2.T/T &L/C 3.considerate service 4. high quality & competitive price ... , JIS, ASME, API, AISI,, ANSIGradeA106 GR B,A53GR B , API 5L GR B, A179 ,A192, A210A333 GR3,GR6A335 P5,P9, ... T23,T91;Q235, Q195, Q345, 20#, A53(A,B), 10#, 16Mn, A106(B,C), 45#, API J55, API K55, St52, Q215 ... , API N80, St37, API L80, API P110, St42, St45, St52.4API 5L A, B ...