I. Advantages 1. Quick bright and good level-up, excellent throwing power at low current densities, low hardness of bright cooper plating is suited to soft cloth polishing. 2. It can get mirror bright deposits at wide current density range, no hard spot and rough on the deposits. 3. Wide working temperature range，it can get better effects between 16-20℃，the brightener is stability and easy to control. 4. Easy operation and small consumption, it can get mirror bright layer. 5. It is necessary to fall the film, so as not to affect the cementing property with the nickel deposits, 6. The plating process may have been declared national patent by Han Lin Inc., please use it correctly.