专营20G高压管20号无缝钢管、15CrMoG高压合金管 精品佳质 价格低!
产品 材质 规格 价格
20G高压管 20g 168*6 5526/吨
20G高压管 20g 276*4 5527/吨
20G高压管 20g 425*13 5528/吨
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