Hebei Zhongyuan Steel Pipe Manufacturing Co.,Ltd has the annual production capacity of 700,000tons of steel pipes.Our products have been sold to over 28 provinces, cities and autonomous regions in China and exported to many countries and regions overseas. ERW (stretch reduction) steel pipe is the national high technology development project of the Ninth Five-year Plan and Torch Plan of China, it supplies a gap in steel pipe production in China. All pipes are produced mainly according to API SPEC 5L, 5CT, EN10217, GB/T9711.1, GB/T9711.2, SY/T5037, GB/T8163,GB/T8162 standard.