基础铜材料系列
Base copper material series
黄铜带、黄铜板
Brass strip and sheet
紫铜带、紫铜板
Purple copper strip and sheet
高低压电气汽车元配件系列
High-low voltage electrical accessories series
冲压件产品系列
Stamped pieces series
各类板金件
Diverse sheet metal pieces
各类板金件>>
Diverse sheet metal pieces>>
双电源自动转换开关元件
Double power sources automatic conversion switch
