leidejidian

Bonding silver alloy wire line and the key comparison a cheap, compared with the same diameter of the gold, silver and gold wire-line price is only about one-ninth of the second, good conductivity, three, good heat dissipation, the four , reflection is good, not absorption, brightness and use the comparison of gold increased by 10 percent, five, with silver-plated frame welding, weldability is better.