seamless boiler pipes standard ASTM 1.Material: API5L X42, X52, X60.X65.X70 2.length:6-14m, R1, R2, R3 length can be manufactured by the custers requirement 3.OEM: can be required 4.OD:12-400MM, others can be required 5.mini order: 10 tons 6.packing: standard package 7.shipment: in 20or40GP container 9.payment:T/T or L/C
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