Question 1: What is Jian ware（Jian Zhan）?
A: Jian ware, which means the black glazed tea bowls that were built from the Jian kiln in the Song dynasty.
The original kiln was called Jian Yao (jian ki). Jian ware is the representative of black glazed porcelain, which used to be The royal tea set in the Song Dynasty.
Question 2: What is Jian kiln?
A: Jian kiln is the Jianzhou kiln, also called Jian Yao (建窑). The kiln for burning porcelain in the Tang and Song Dynasties, it was accustomed to the name of the county.
Such as Yaozhou Kiln, Jizhou Kiln, Yuezhou Kiln, Xingzhou Kiln, Dingzhou Kiln, etc. The word "Zhou" is sometimes omitted, such as the latter three kilns, which are often referred to as Yue Kiln, Xing Kiln, and Ding Kiln.
The Jian kiln is the abbreviation of Jianzhou Kiln, which is a representative and famous kiln in the Song Dynasty.