| 1. | General motors , transformers , coils of copper enameled wire sectors such as manufacturers , because the cost of raw materials , huge pressure aluminum instead of copper enameled wire enameled wire forced to reduce costs , enameled wire and aluminum welding problem has become impossible for manufacturers restructuring in the region 广大电机、变压器、线圈等相关行业生产厂家因为铜漆包线原材料巨大的成本压力,被迫采用铝漆包线代替铜漆包线以降低成本,而铝漆包线的焊接问题成了制约广大生产厂家转型的瓶颈。 |