钢带增强聚乙烯螺旋波纹管_PB管-ppr管-pvc穿线管-波纹管-山东QY千亿国际塑管有限公司

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山东QY千亿国际塑管有限公司

Shandong Zhongda Plastic Pipe Co.,Ltd

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钢带增强聚乙烯螺旋波纹管

作者：admin 来源：未知时间：2019-11-11 16:58