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不锈钢通风管道螺旋风管通风管○道连接件共板法兰风管通风管道制作复合风管

青岛康彭通风设备有限公司
手机：15853268380
电话：0532-86109785
邮箱：13668870659@163.com
地址：青岛市黄岛区团结路新奥燃气对面
网址：www.redgeckoonline.com

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