采用不锈钢复合管制成，内衬普通焊管，外敷厚度为0.3MM不锈钢，具***耐腐蚀性能。规格型号齐全。可按客户要求定制。Usestainlesssteelcladcontrol10%ofordinarypipelining,andtopicalthicknessof0.3mmstainlesssteel,corrosionresistanceofasuperpower.Specificati***modelcomplete.Customerrequirementscanbecustomized)