This product is a classic Jingdezhen blue-and-white porcelain, inheriting the thousand-year-old underglaze painting technique. On a dried white porcelain body, decorative patterns are hand-painted with cobalt oxide pigment; after being fully coated with a colorless, transparent glaze, it is fired in a kiln at a high temperature of 1280–1320°C in a reducing flame, resulting in a single firing. Following the high-temperature reaction, the cobalt pigment achieves stable coloration, ensuring that the designs remain permanently intact. The product is a high‑temperature hard porcelain with a highly durable glaze, extremely low water absorption, and excellent resistance to acids, alkalis, and abrasion. It exhibits virtually no leaching of lead or cadmium, making it safe for contact with food. As a Chinese ceramic category widely recognized internationally, it combines practicality, decorative appeal, and collectible value. Customization options include logos and exclusive patterns, with direc