A. Advantages a. 41547Lead-free Nickel-free Tea Gold Plating Process is the latest developed product of our company in 2010. The tea gold color is elegant and graceful, the light golden appearance emit a shallow tea color luster. It has been gradually popularized and used in the decorative plating. Especially used in the mental button, zipper, bag and apparel fashion accessories. Once being plated tea gold color, immediately becomes luxury, dignified and deep, very unique. b. Tea gold plating process will transform the two kinds of color, this is which the other plating process do39;t available, that is if plating time is less 30 seconds, it appeared tea gold color, if plating time extended, tea color will come to turn light gun color, deeper and deeper, finally, the gun color will appear, so called it “tea gun color”. Using this feature, a bath can be used as two kinds of bath if only control plating time c. Tea gold plating process is only used in rack, not barrel. d. Tea gold color is a surface decorative deposits, only plated on bright nickel deposits for the best effect. Tea gold deposits is tin-nickel-copper ternary alloy, its hardness is between 650-700 and with good wear resistance, good corrosion resistance and also excellent chemical resistance to degeneration. After by passivation treatment, the deposits will be finished products, dispense varnishing. e. since the tea gold process is ternary alloy, the color came out when the proportion of the three is perfect. This “tea gold salt” by Hanlin is the best optimal proportion, easy operation. But volume production needs a skilled operating staff for stable production. f. This plating technology, Han Lin may have declared national patent, please use it correctly.