Kingruiman (Beijing) International Investment Co., Ltd.

We can supply top quality spiral steel pipe. The largest spiral pipe's OD can reach 2.8meters and ***** can reach 25.4mm. We have some authorized

Hot-rolled seamless steel pipes are used for transporting fluids. It is an economic cross-section steel, and was widely used in manufacturing of struc

Application: generally used in transportation of continent & ocean oil and natural gas or other fluid, also applied as construction pipe in the ocean

Standard: API SPEC 5CT Material: H40, J55, K55, N80, M65, L80, C90, P110 Our own factory produces these pipes. Welcome to visit our factory

seamless pipeline pipe API 5L PSL 1A25, A, B, X42, X46, X52, X56, X60, X65, X70 OD:3''-24'' Length:6-12m for the transportation