Our company specializes in manufacturing oil pipe and pipe fitting , such as SEAMLESS, ERW, ect .using on the oil line. And the material is reference in carbon, stainless and alloy steel pipe, esc including the three series of the high, the medium and the low pressure of the fittings, such as elbows, tees, reducers, caps, bents. The pipe and fittings can be produced in size 1/2"-88", which are designed according to GB, DIN, ASTM, ANSI, JS, BS, Varieties: SGP, STD, SCH40, SCH80, SCH160. Standards or as per customers' drawings or samples.