兰州昌华物资有限公司销售换热器用无缝钢管，无缝合金管结构用不锈钢管（GB/T14975），流体用不锈钢管(GB/T14975)等

　　不锈钢无缝管材质有;201,202,301,302,304,304L,304LN,316,316L,316LN,317, 317L,309, 309S,310, 310S,321,330,660,443,444,347H,409L 904L.....

　　不锈钢棒材材质有;201,202,301,302,304,304L,304LN,316,316L,316LN,317, 317L,309, 309S,310, 310S,321,330,660,443,444,347H,409L 904L,1CR13,2CR13,3CR13....

　　不锈钢板材材质有；201,202,301,302,304,304L,304LN,316,316L,316LN,317, 317L,309, 309S,310, 310S,321,330,660,443,444,347H,409L ，可根据您的需求定做各种长度，时间短，价格底，交货及时