Sand is rich in mineral elements, which is good for health.

The most beautiful tea sets in Chaozhou are all hand-painted with vermicelli. The "Four Treasures of the Study" in Kung Fu tea sets are pots and cups, and the jade book simmer (i.e. the sand pot) and the red mud stove are called "the thin pot of the wind furnace", and they go hand in hand. They were originally necessary for Chaoshan people, but now they are rare in the market.

Shaqiang is simple and elegant in appearance, commonly known as "teapot". According to legend, in ancient times, an old artist named Yu Shuwei produced the most famous works in Fengxi, and later generations respectfully called him "Yu Shuwei".

Old rock mud similar to medical stone, far-infrared structure and activated carbon can soften water quality, make tea release various components, make tea soup pure and clear in aroma, keep tea fragrance and rhyme more effectively and permanently, and make tea more sweet and mellow. Sand has excellent cold and heat resistance. After the boiling water is pumped out of the furnace, it can still keep moisture for a long time and has good air permeability. Boiled water is cool, sweet and soft, and can be dissolved in water through sand, with the smell of olive charcoal. The boiled water has a unique fragrance, and the brewed tea is more mellow.