宿迁内六角塞堵 WCP
宿迁四角塞堵 WMP
宿迁圆管帽 WC
宿迁六角管帽 WHC
宿迁六角塞堵 WMHP
宿迁内六角ED密封堵头
宿迁外六角密封堵头
宿迁外六角带边堵头
地点：上海市青浦区金泽镇工业园区B3厂房
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