yttonghejin.com
铜合金_耐磨铜合金_铜合金模具材料-烟台友德通用机械有限公司
烟台友德通用机械有限公司是专注于集铜合金材料的研发,生产及加工为一体的专业型公司,为满足特种模具的特殊要求,我公司专门研制出高硬度耐磨铜合金、铜合金模具材料、铜合金。
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