Platinum is a more expensive than the value of the precious metals gold, its color is gray. After cooling platinum color temperature constant and texture. Japan and the United States demand for platinum accounted for 80% of the world, the vast majority of Japanese platinum inlay system for jewelry in the United States is used for handicrafts. The most favored Japanese platinum jewelry, white gold diamond jewelry commonly used, 95% of wedding rings and engagement rings are made of platinum, with precious stones such as ruby ??and sapphire-based Platinum jewelry is also commonly used mosaic, because platinum can fully demonstrate the quality of precious stones. Platinum Jewelry Care 1. Avoid direct and perfume, hair spray, high contact with volatile substances. 2. Do not allow contact with platinum jewelry chemicals such as detergents, nail polish and so on. 3. Remember to remove jewelry, to avoid chemical changes due to come into contact with the surface of the water or water that may arise after swimming. 4. wearing platinum after Ruoyin stains and dust contamination and dull, as long as the platinum into neutral detergent diluted with warm water soak and clean, and then remove the drying can. 5. flannel wipe frequently to maintain platinum surface sheen. 6, to avoid the platinum jewelry and other jewelry put together [1], especially diamonds, for its hardness can cause friction and scratch each other, it should be stored in a separate box with a cloth. 7, it is recommended to periodically platinum jewelry professional jewelry store for cleaning every six months. In addition to cleaning, the platinum surface will be covered because of prolonged friction small signs of wear, but also reduce the brightness, light grinding cloth weekdays platinum platinum surface can have the effect of throwing the whole, but it is preferable to make a throw 2-3 years grinding and finishing plating, beautiful and original jewelry will be able to reply to bright light.