低价供应DZ40地质管、精轧无缝管、DZ50地质管、R780地质管 质量优越!
产品 材质 规格 价格
DZ40地质管 DZ40 125*13 6026/吨
DZ40地质管 DZ40 148*16 6028/吨
DZ40地质管 DZ40 153*11 6029/吨
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