Our company specializes in ASTM, DIN, JIS, GB, BS, EN seamless steel pipe, and annual operating straight pipe, spiral pipe, alloy pipe, rectangular steel tube and pipe fittings. Seamless implementation of the standard material: API 5L/5CT GR.B ASTM A106/A53 GR.B ST35.8 ST42 ST45 ST52 ST52.4 20 # 45 # Q345B X42-X65. Specifications: 1 / 2 "-36" * SCH10-XXS. Our factory has API 5L/5CT ISO9001 Seamless Lloyd&＃039;s certification, in straight seam, spiral pipe plant for sale at all have API qualification, API inspection agent for its customers, the company with strong financial strength, advanced management experience, excellent sales service, company to "honesty, customer first" principle, the lowest price, best service, to acknowledge the new and old customers. We sincerely hope to establish long-term relationship, mutual benefit and common development