双壁波纹管_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

133-5527-8888

好管道,QY千亿国际造

QY千亿国际HDPE管材严格品质结实耐用