Metal zipper have made from bronze , cupronickel , and aluminum , metal zipper of 金属拉链具有青铜、白铜、铝、电化等原料。
Nickel and nickel silver foil 镍及白铜箔
Metal zipper have made from bronze , cupronickel , and aluminum , metal zipper of no . 3 , 金属拉链具有青铜白铜铝电化等原料。
Iron or steel wire rod 洋白铜线
The corrosion mechanism of failure of copper - nickel condenser tubes coated by ferrisulphas 硫酸亚铁成膜失效的镍白铜冷凝管腐蚀机理分析
302 - 4 - 6 front hinge for inserting nickel silve , nickel silver , matching to hq hinges . can chose titanium or nicker silver 可匹配不的铰链，可选择材料：高镍白铜材料或钛。
1 . 6mm wide , 12mm long made fom nickel silver case with open bottom for solding mechanism easy to assemble tasted with 30 , 000 movements 散装弹弓推板系列,宽度1 . 6mm ,高镍白铜材料。
1 . 8mm wide , 11mm long made fom nickel silver case with open bottom for solding mechanism easy to assemble tasted with 30 , 000 movements 散装弹弓推板系列，宽度1 . 8mm ,高镍白铜材料。
1 . 8mm wide , 12mm long made fom nickel silver case with open bottom for solding mechanism easy to assemble tasted with 30 , 000 movements 散装弹弓推板系列,宽度1 . 8mm ,高镍白铜材料图解说明
2 . 0mm wide , 12mm long made fom nickel silver case with open bottom for solding mechanism easy to assemble tasted with 30 , 000 movements 散装弹弓推板系列,宽度2 . 0mm ,高镍白铜材料图解说明
