Jade has been known and valued for about 7.000 years. The ancient Egyptians conceived, jade is the blood of the dragon. Jade is considered as the first of "four great precious things" in China. It is because of the rare and precious that since the ancient times, jade has become the symbol of power, wealth, beauty and greatness. With the advantage in strength but are very flexible, gorgeous colorful and fanciful, jade became the ideal material for jewelry, tools, weapons in pre and early historic time.