1. coating internal stress, soft, suitable for plating after squeezing light, good products more than 97% (such as the Pratt mirror printer shaft)

2. the use of a long period, generally up to 11 cycles.

3. bath temperature is good, the sky without 3,4 trough trough.

4. 3-4um plating is only 9-15 minutes.

5. coating 3-4um, neutral salt fog can be over 6 hours.