I am Mandy from Shandong Multisteel Co.,Ltd. We are a professional seamless steel pipe manufacturer, stockist and exporter in China with more than 10 years business experience. Annual production capacity: 600,000MT. We keep stock more than 100,000MT. Hope we can cooperate. Our main product type: API 5L GR.B Seamless Steel Pipes API 5L GR.B PSL1 ASTM A106B, A53B, ANSI 1020, ANSI 1045; Supply Size Range: OD: 1/2" to 24"; SCH20; SCH40; SCH80; SCH160; SCHXXS; OD: 21.3 to 610mm; WT thickness 2 to 100mm;