Yixing Factory One Shuiping Teapot, Nian Gao Clay (early 1980s, 120ml)
This shuiping (水平壺) teapot was produced by Yixing Factory One in the early 1980s, in the clay Taiwanese collectors call Nian Gao Tu (年糕土), literally "rice cake clay." The name comes from how the fired surface looks and feels: dense, fine-grained, and subtly waxy, and with seasoning it develops a soft, lustrous glow reminiscent of steamed rice cake.
Nian Gao clay has become one of the most sought-after materials from the Factory One era, for good reason. It appeared only briefly, from roughly the late 1970s to the mid 1980s, and its heavy, paste-like character made it unsuitable for large pots, so it survives almost exclusively in small wares. Its exact origin is still debated among collectors, which only adds to the mystique, but analysis places it firmly in the red clay family, with an iron content close to the prized pre-1980s hongni. In the cup, it tends to round off rough edges and produce a fuller, smoother liquor while keeping aromas clear, and few clays reward daily use and patient seasoning as visibly as this one.
The form is the classic Factory One standard shuiping, with the spout, rim, and handle aligned on one plane and the balanced proportions the shape is known for. At 120ml it is a comfortable size for one to three drinkers, well suited to oolongs, red tea, and puer.
The base is stamped with the six-character "Jing Xi Hui Meng Chen Zhi" (荊溪惠孟臣製) seal commonly associated with export-oriented Factory One production of the period.
