... API 5L ISO9001-2008 stainless steel flexible pipeOD:16-1200mm TW:2.5-75mmLT:8-15mmcertificate:API 5L ISO9001-2008 ... per customers' requirementsApplications rangePetroleum ,chemical,,power,,gas,water,metallurgy,ship, building,construction,ectPayment terms 30%T/T or L/C ... or API 5L strictlyAbout us:Cangzhou Longjun Piping Manufacture Co., Ltd is established in 2001, with annual sales volume 30000tons. ...