Our company is specialized in the production of hot stamping steel pipe (76–630), straight seam steel pipe (76–630), hot expanding steel pipe, spiral steel pipe (219–2420), double-side submerged arc welding pipe (630 — 914), various shaped steel pipe and thick wall steel pipe, etc. Dozens of products include: 1. GB/ t8163-1999 GB/ t8162-1999 GB/ t3087-1999, material: 20# (Q245) A53 Q345(16 manganese), welded pipe: GB/ t3091-2001 GB/ t14980-1994 API 5L PSL1 material; Q235 (ST37), spiral steel pipe: GB/T9711.1 SY/ t5037-2000; 2. American standard: seamless steel pipe: ASTM A106GradeB A53B ASTM A333 ASTM A178C ASTM A210A 1 API 5L3. German standard: DIN1629 DIN2448 DIN17175 din1626/4; 4. European standard EN10204 EN10216 and other various types of steel pipe, is the national production model ** complete manufacturer, this product is exported to India, South Korea, Russia, Canada, Egypt, Iran.