Kindly send us your best & final quotation for the down listed items. Ser. Description UOM Qty 1 6" carbon steel pipes, bevel ended in full compliance with API 5L X52-PSL-2.x7.11w.th. Meter 800 2 4" carbon steel pipes, bevel ended in full compliance with API 5L X52-PSL-2.x6.02w.th. Meter 1600 3 1" carbon steel pipes, bevel ended in full compliance with API 5L grade B (1.315" outer diameter and 0.179" wall thickness) Meter 12 4 1/2" carbon steel pipes, bevel ended in full compliance with API 5L grade B (0.84" outer diameter and 0.147" wall thickness) Meter 29 Waiting for your quotation A.S.A.P. Sincere Regards