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¥52元/件
深圳 供应各种规格T2紫铜材 欢迎来电咨询
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¥52元/件
深圳 供应各种规格T2紫铜材 欢迎来电咨询
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进口优质C14500碲铜板,碲铜合金批发
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¥65元/件
新品促销C35300硅青铜,硅青铜棒批发
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F20钨钢喷嘴加工订做-深圳钨钢厂家
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CuZn37Pb1铅铜合金价格,铜材,铜管批发
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SPCC铁料,一般用钢板及钢带产品
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专业批发S4钨钢板材,深圳钨钢材料
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¥550元/克
批发YG30钨钢,耐冲击钨钢棒材,板材