Desc:1. Raw MaterialCopper, phosphor copper, Brass, Stainless steel, Aluminum, steel, spring steel, Nickel-Silver... and alldifferent kinds of metal;2. Sur...
Desc:1. Raw MaterialCopper, phosphor copper, Brass, Stainless steel, Aluminum, steel, spring steel, Nickel-Silver... and alldifferent kinds of metal;2. Sur...