What are the jade carving techniques before the Tang Dynasty?

Most of the jade materials in the Tang Dynasty were Hetian jade. Ornaments, utensils and ornaments are popular. Palace official workshops mainly produce jade for decoration, mainly jade belts, plates and jewelry.

Jade articles in the Tang Dynasty mainly express decorative patterns through lines, focusing on expressing artistic themes. Carving patterns are mainly floral patterns with fine details. Petals, buds, leaves and flower necks are all available and lifelike. In the traditional character modeling, the image of western people appeared for the first time. This kind of grain is called Italian moire, and there are common human sculptures, animals and so on.

As far as carving technology is concerned, the lines of jade articles in the Tang Dynasty are all carved with thallium, with deep blade feet, thick middle and thin tail, and the grain trend is very obvious. On the common figure flower images, there is a phenomenon that the outer thick frame is concave, and the craft is extremely exquisite.