Stainless Steel Sheet/Plate, Stainless Steel Coil, Stainless Steel Strip manufacturer / supplier in China, offering Factory Direct Supply Cold-Drawn Seamless Oil Tubes: API 5CT J55/N80 for Conventional Oil Production (≤ 10, 000psi Working Pressure), Premium Threaded Casing Tubes: API 5CT P110 with Btc/Stc Connections for Deepwater Drilling High Quality, Factory Direct Supply High-Quality API 5CT Seamless Steel Tubes for Casing and Oil Tubes J55, K55, N80-1, N80q, R95, M65, L80, C90, T95, C110, P110, Q125 and so on.