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天津中盛常年生产销售16Mn钢管,16Mn无缝管,16Mn无缝钢管,16Mn精密钢管,16Mn精密无缝管,16Mn精密无缝钢管库存常年保持。欢迎来电选购!5.05.15 16Mn精密钢管行业转型将要迎来新… 2015.05.1...5 16Mn精密无缝钢管行业景气度持续… 钢管价格 2014.11.22...
[管件、管材] - www.1*mn.com.cn - GB2312 - 2015-08-31

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