Duo Zhi: The Resonant Monument

18-Mesh Coarse Sand Jiang Po Ni Teapot | Master Jiang Tao

In the lineage of Yixing art, the Duo Zhi (掇只) is revered as the “King of Teapots.” First envisioned by the legendary Qing Dynasty master Shao Daheng, its aesthetic is defined by a “spirit found in simplicity.” At ZENTAOEAST, we present this rare 300cc large-capacity version—a vessel that eschews modern trends for petite pots in favor of a grand, ancestral presence. It is a teapot built for gatherings of four to five companions, serving as a sturdy anchor for shared moments of stillness.

Extreme Granularity: The 18-Mesh Challenge

The soul of this vessel is the 18-mesh Original Ore Jiang Po Ni. In the world of clay, the “mesh” count refers to the density of the sieve; the lower the number, the coarser the sand. While standard teapots range from 40 to 60 mesh, 18-mesh is an extreme expression of the earth’s raw texture.

• Sculptural Ruggedness: To look at this teapot is to see the primeval minerals—specks of quartz and mica—embedded in the orange-red clay. It possesses a “Cang Sang” (weathered) texture that feels like a piece of ancient mountain rock.

• The Artisan’s Struggle: Working with 18-mesh clay is a high-stakes gamble. Because the particles are so large, the clay loses the plasticity needed for easy shaping. It is prone to “jumping sand” or cracking during the “Beaten Cylinder” process. To complete this vessel, Master Jiang Tao had to exercise a level of patience and heat-control that borders on the obsessive.

• A Living Lung: These coarse granules create a dense “double-pore” structure of extraordinary breathability. This makes the Duo Zhi an exceptional tool for Wuyi Rock Tea, aged Puerh, and Dark Tea (Heicha). The porous walls “swallow” any harshness or fire-dryness in the leaves, rounding the brew into a thick, mellow liquid.

The Invisible Mastery

Despite its rugged exterior, this teapot houses sophisticated technical details. It features “An Zui & An Ba” (Hidden Spout and Handle joins), where the transitions are so seamless they appear to have grown organically from the body. Inside, it is equipped with a Hand-pushed Ball-hole Filter, ensuring a powerful and smooth pour despite the large volume.

The teapot has been triple-fired in an electric kiln to achieve peak structural stability and a rich, saturated color. It carries the seal of Master Jiang Tao (江涛制陶), an artisan with over 30 years of experience who remains one of the few masters willing to tame such “stubborn” coarse ore.

The Patina of Gold

Though it begins with a rugged, matte feel, 18-mesh Jiang Po Ni is famous for its rapid transformation. As tea oils settle into the deep crevices of the sand, the teapot will develop a lustrous “Bao Jiang” (Patina). The coarse particles will begin to glow with a golden, jade-like radiance—a visual manifestation of the proverb “refined but not greasy, rugged but not dry.”

Curator’s Verdict

“This 300cc Duo Zhi is a response to the ‘Digital Fire’ of our age. While the world gets smaller and faster, this teapot demands space and time. It is a monument to the ‘Rugged Clumsiness’ of the earth. I chose the 18-mesh ore because it doesn’t hide its origins; it lets you feel the mountains of Yixing in your palm. It is a generous vessel, designed to be passed down through generations, growing more radiant with every shared conversation.”

     — Richard Zhang, Founding Curator