Jinding is just a label, that is, a trademark font size.

Wang Baogen was born in the 27th year of the reign of Emperor Guangxu of the Qing Dynasty (1902) in the Zisha family surnamed Wang on Shushan South Street. Died of illness in 1954. No. Xuqi, a famous purple sand artist, native of Shushan, Yixing. Wang Baogen studied at Shushan Dongpo Academy when he was young. At the age of 14, he learned art from his uncle, Wang Shengyi, a well-known artist in Shushan kiln, and laid a solid foundation. Wang Baogen is an upright and competitive person, and he has ranked first in Yixing Utilization Company's previous skill competitions and labor assessments. In the early 1930s, the stamp signatures used by Wang Baogen were "Xu Qi", "Baogen" and "Wang Baogen".

His works are exquisite in technique, sophisticated in kung fu, elegant and upright, and show his skill in every detail. Especially in terms of overall coordination, it should be harmonious and unified; in terms of practicality, it should be round and delicate; in terms of characteristic style, it should be simple and elegant. The arc transition of the flow, shoulders, cover and handle of the work is very natural and smooth, and is filled with a kind of rhythm. It has become a collector's item that people are eager to buy.

Wang Baogen made Jinding trademark purple sand pot, 8.5 cm high, 6.3 cm in diameter. Jinding trademark, persimmon shape, simple and beautiful, with "Bamboo Sencha has a clearer flavor, aragonite" engraved on one side of the body. It has a bamboo pattern, four legs on the bottom and a golden tripod trademark pattern engraved on it. It has a single hole and a "Treasure Root" symbol inside the cover.