We are specialized in manufacturing, stock and selling carbon/alloy steel seamless pipes for 15 years which are CPD/PED or third party inspection certified. All of the underwater pillar tubes of extension project of Bremerhaven in Germany are our products.The most competitive specification we can offer is: 60mm-734mm*3.5-45mmWe can offer various seamless pipes, our main competitive products are as below: American specification:API 5L Gr.B/X42/X52/X60 ASTM/ASME A/SA 106 Gr.B/Gr.CASTM/ASME A/SA 333 Gr.3/Gr.6 ASTM/ASME A/SA 335 P11/P22EU specification: EN 10297/EN 10210/EN 10216 E355/S355/P355