History:

According to the Historical Records, it will cause a thousand pieces of gold at home, and the rank of minister in career, which means the colored glaze as the mysterious material can bring the good luck for people. In the legend the earliest cornucopia was made of colored glaze too, so it is considered as the keepsake of good fortune more direct and effective than the yellow quartz.

Liuli or Colored Glaze, was the term used to describe glass during the Chinese Tang Dynasty. The art work is made from a combination of glass and lead dioxide. While the proportion for mixing glass and lead dioxide differs from country to country, generally speaking, when the percentage of lead dioxide reaches 24% and above, the translucency and refractive quality of the glass reaches an excellent level. At the same time, the crystal glass is also heavier, softer and in prime condition for crafting into fine works of art. Liuli is well-known for their high quality comparable to European and American crystal glass products and is thus superior in price and quality to ordinary glass products.

Manufacturing:

The manufacturing technology of the colored glaze is quite complicated, containing dozens of processes to finish, the making course of some fine works will take more than ten or twenty days, and depend on the hand mainly. Each process needs elaborate treatment, controlling the duration and degree of heating depends on luck halflings and the rest on skills. As for coming out of the stove, the finished products just take on 70%. More essentially, unlike gold and silver products, the colored glaze made by ancient method is not recoverable, that means a little flaw will spoil all efforts. So there are not two same pieces of colored glaze in the world.

The raw material should be melt into various kinds of colored crystal glass under a high temperature of more than 1400°C, and then after being carefully chosen and washed many times, it should be put into the mould according to the proportion. The furnace temperature must be controlled less than 1000 °C ±5 °C with the rising or dropping curve of the temperature being established strictly. The course of firing will last over 15 days to make the crystal materials precise in each detail, and then a piece of exquisite, three-dimensional, streamline works will be attained.

A mould can only be used to fire one piece of works. The large-scale complicated works even need to be mold and fired many times. The low success-rate makes the works more valuable. The works is issued in the whole world with quantity limitation, which makes each of the works more worthy of being collected.

A piece of works of colored glaze should have artistic vitality. The bubbles existing in colored glaze provide more imagining space and magic power. The bubble is the breath of the colored glaze that is a common understanding in the world of the colored glaze art.