Join me when I take a deeper look into the Yixing Teapot industry - the history, the clays, the forms and functions and what to look for when buying a Yixing Teapot.
Chapters:
- Introduction to Yixing Teapots
- Origin and Historical Development
- The Clays of Yixing
- From Factory to Masterpiece
- Forms, Functions and Tea Pairings
- The Yixing Economy
- What to Look for When Buying a Yixing Teapot
- Care and Maintenance
- Other Teapot Making Regions in China and Taiwan
- Where to Buy a Yixing Teapot in Yixing
- Yixing in Numbers

1. Introduction to Yixing Teapots
Yixing (宜兴) is a city in Jiangsu Province, China. It is located 200 km west of Shanghai on the western shore of Lake Tai (Taihu) and has a population of approximately 1 million people.
The city is know for its famous teapots – the unglazed Yixing teapots (宜兴紫砂壶) made from Zisha clay (紫砂). The clay comes from multiple mines in and around the Dingshu village (丁蜀镇) in the southern part of Yixing. Approximately 50% of the 200,000 population of Dingshu village works in the Yixing teapot industry.
Due to the close proximity to Shanghai Yixing is an obvious daytrip vist for any tealover when passing by Shanghai.
The fame of the Yixing teapots rests on three parts:
1. The Unique Zisha Clay (紫砂土)
The Zisha clay is rich in iron oxide, quartz, kaolinite and mica - a balance that, after firing it at 1100–1200 °C, gives it both strength and porosity, with a microssopic structure that allows the teapots to “breathe”. It retain heat while letting tiny amounts of air interact with the tea. This prevents over-steaming and keeps flavors.
2. Perfect Synergy with Tea
The microscopic structure of the Zisha clay absorbs trace amounts of tea oils. Over time, the pot “remembers” the tea, enhancing depth and smoothness in subsequent brews.
Different clays (zini, hongni, duanni) complement different teas:
- Zini (purple-brown clay): robust, ideal for oolong and pu’er.
- Hongni (red clay): higher density, suits delicate teas like tieguanyin or black teas.
- Duanni (yellow clay): porous and softer, well-suited to lighter teas and green oolongs.
3. Superb Handcrafted Artistry
Yixing potters have refined their skills since the Ming dynasty (16th century). The craft is rooted in aesthetics — simplicity, harmony, and balance.
Unlike wheel-thrown pottery the Yixing teapots are traditionally hand-built using slab and paddle methods, allowing for sharp angles, elegant spouts and tight-fitting lids.
Yixing teapots are admired as much for their artistic expression as for their practicality in brewing tea. Many are designed in classical forms named after nature, philosophy, or Chinese characters.
An example is the well-known Rong Tian Hu 融天壶, “heaven-blending pot” inspired by the figure of the Laughing Buddha from Buddhism, symbolizing the ability to embrace the world with a large belly.

A Rong Tian Hu teapot with the large belly
2. Origin and Historical Development
Yixing teaware goes back more than a thousand years. The purple-sand teapot tradition evolved during the late 15th–early 16th century and flourishes during the late Ming era with smaller teapots were developed suited the refined gongfu brewing and aesthetics of the period.
In the Peoples Republic of China era, production was systematized with co-operatives consolidated into the Yixing Zisha Craft Factory, later named “Factory No. 1/老一厂”. In 1958 master potters like Gu Jingzhou started to standardize the clays used, the forms of teapots, the marks used etc.
Output grew and fell with the different policies and markets. By the early 1980s the factory added tunnel kilns to standardize quality and improve output, and set up a technical lab to improve quality. Post-1997, the factory was privatized and today its legacy label “Fangyuan” persists while most production is from small studios and family-workshops.

Yixing teapots comes in many shapes and colors
3. The Clays of Yixing
Geological origin
The valuable Zisha clay occur as thin bands (decimeters to ~1 m) within Devonian sedimentary shales at the southern foot of Huanglongshan and nearby ridges around Dingshu.
The classic mine names you hear, Huanglongshan (黄龙山) and Zhaozhuangshan (赵庄山), are geographic names for the historical source area. The clay’s silicate–iron and mica mix produce a sandy, “leathery” plasticity when worked with and a warm, responsive body when fired.
Types of clay and recommended teas:
Zi Ni (紫泥 “purple clay”):
The most common Zisha clay characterized by the purple-brown color. It is the most porous of the clays and tends to brew well with darker teas like roasted Oolongs, Sheng and Shu Pu'er making them more smooth and round. The Zi Ni clay is digged out from deep beneath the surface - often hundreds of meters down.
Hong Ni (红泥 “red clay”):
The Hong Ni clay has fine particle size typically with a slight sandy surface. It is denser than the Zi Ni and with a "brighter" sound when tapped. It goes well with aromatic Oolongs and Hongcha (red/black tea).
Lü Ni (本山绿泥 “green clay”):
The Lü Ni clay is quite rare covering only 2% of all Zisha clay. The clay is pale before firing and is often blended due to forming difficulty. It goes well with fragrance teas.
Zhu Ni (朱泥):
This bright red clay is also relatively rare. It looks similar to the more common Hong Ni but has a higher iron content and is very dense with lower porousity than the other clays. Due to the high density it can be used to make thin-walled teapots and has good heat responsiveness for high-aroma teas, but has a higher risk of cracking with thermal shock. It goes will with Hongcha (red/black teas).

3 types of clay and the corresponding teapots made of that clay
Modern practice includes intentional clay blends and control of the atmosphere in the kiln to get the right color and porosity. Metal oxides can shift the color but traditional studios rely more on blending and firing than on heavy coloring.
Tea lovers often dedicate a pot to a single tea type - to avoid flavor "contamination" between the different teas but also to let clay and tea mature together in the pot.
4. From Factory to Masterpiece
There are 3 main methods of producing and forming a Yixing teapot:
Hand-built slab construction (手工制作):
Sheets of clay are paddled over wooden forms, seams are knife-joined and compressed and profiles are refined with ribs. Inside surfaces often show subtle directional tool traces and thickness is controlled by hand. This is how the old masters still make their masterpieces. The process takes time and therefore the prices are high.
Half-hand-built (半手工):
The body of the teapot is made from a mold or die-pressed slug and the spout, handle and lid are finished by hand. Even high-end Yixing pots are often made this way nowadays. It saves some time and still allow the potter to give the teapot a high quality finish and aestetic character.
Slip-cast fully molded:
Liquid clay is put into molds ensuring uniform wall thickness. From the look of the seams, interior and footring it is often possible to tell if it is hand-made or fully molded.
The majority of Yixing teapots on the market are made like this. These teapots are often well made and well suited for brewing tea. They just lack the nice finish and aestetics

A potter is finishing a teapot by hand
5. Form and Function
The Yixing teapots comes in many forms. The classic forms like the the round Xi Shi teapot began as ergonomic solutions where the lid openings are sized for aroma release, the spout angles are made for clean pour and the belly volume are sized for leaf expansion. It is probably the most sold Yixing teapot ever.
Roasted Oolongs/Rock Oolongs and aged Sheng and Shu Pu'er:
Choose a Zi Ni teapot with mid-to-thick walls to keep the temperature stable
High-aroma oolongs like Taiwanese gaoshan (High Mountain) and Dancong:
Choose a Hong Ni or Zhu Ni teapot made of more dense clay with thinner walls for rapid temperature response.
Fresh green or lightly oxidized teas:
Choose a porcelain pot or Gaiwan or a small, thin-walled Hong Ni teapot.

Classic round Xi Shi teapot
6. The Yixing economy
Dingshu is nowadays a craft-industrial district. As of 2016 there were approximately 40,000 Zisha makers and 60,000 supply-chain workers (kilns, tools, packaging) in Dingshu. In total over 100,000 people employed in the Yixing pottery industry of which 40-45% are local population.
About 400+ Zisha enterprises and 12,000+ family workshops were operating then.
Yixing’s own government notes that roughly 50% of Dingshu’s residents depend on the Zisha or ceramics economy (including migrant labor).
There are 2 distinct issues related to fake Yixing pottery:
- Non-Yixing clays (e.g., Dehua/Chaozhou/elsewhere) sold as “Yixing”
- Machine-molded “art-master” replicas with forged seals
There is no authoritative annual count of fake products. Auction-houses and museums cataloging remain the gold standard but even they get cheated sometimes.
Over recent years environmental considerations has been made. Rapid ceramics growth brought pollution challenges in the 2000s but provincial clean-up campaigns has targeted glazes, kilns, and brickworks and has caused well-run kilns and studios to invest in clean firing.
7. What to Look for When Buying a Yixing Teapot
Clay and construction
Check body fabric (heterogeneous grains, mica sparkle), weight-to-size, sound and lid fit.
Prefer documented clay preparation (aged clay) and clean firing. Technically correct produced teapots should pour 100–150 ml in 6–9 s without sputter.
Maker and provenance
Seek studio documentation like work-in-progress photos, kiln logs and receipts with the maker’s chop and studio contact.
Treat “master” seals skeptically unless tied to catalogued exhibitions or auction records. They can be copied (and are). Verify them online and compare look and quality of both the teapots, seals and prices. If it looks too cheap it probably is.
Handmade versus molded
If the teapot is handmade the interior should have subtle rib marks and not chalky smoothness.
Hand-compressed rim galleries should show micro undulations
Handmade seams appear where forming dictates (belly joins) while casts sometimes show sanded belt-like bands in unnatural places.
Spout and handle joins should show sign of hand-tooled compressions under raking light.
Use a loupe and never buy purely from stamps or certificates.
Fit to use
Choose a teapot belly-size relative to your leaf style. E.g. 100–150 ml for Gongfu Oolongs . And choose a wall thickness to match your teas. Dark teas should have thicker walls than Green and White teas.
Test it
Test with water at service temperature before committing. Check temperature stability and water pouring. Also test the fit of the lid by putting your finger on the pothole while pouring. I perfect fit will stop the water from pouring when the pothole is blocked.
A gentle tap on the side of the pot should produce a soft musical "ding" on Hong Ni and Zhu Ni teapots due to their more dense clay and thinner walls.

Try to verify the seal or chop of the maker
8. Care and Maintenance
Before use:
Before using your new Yixing for the first time rinse it in boiling water to remove any dust and particles. Soaking it in boiling water can also reveal fake teapots that have been colored or made of poor quality clay.
Dedicate your pot(s):
If you don't have one pot for each type of tea at least dedicate one pot to a family of teas, e.g. a pot for dark teas and another pot for the Green and White teas.
Cleaning:
After use rinse in hot water but never use soap or detergents. If limescale forms use a brief citric-acid bath and rinse (or leave it as patina).
Storage:
Let the pot dry fully after use before storing it. Remove the lid, wash in hot water and leave it upside down on a tea towel until its dry. Store it in a safe place and you can keep your teapots for life.
9. Other Teapot-Making Regions in China and Taiwan
Chaozhou (潮州) in Guangdong:
Wheel-worked Hongni red-clay teapots suited for classic gongfu with Dancong, typically thinner-walled, very responsive teapots.
Jianshui (建水) in Yunnan:
Polished “purple pottery” with inlay and engraving traditions and with denser bodies popular for Pu'er tea and darker Oolongs.
Rongchang (荣昌) in Chongqing:
One of China’s “four famous potteries” alongside Yixing and Jianshui. Famous for art-grade teawares including teapots.
Shiwan (石湾) in Foshan, Guangdong:
A major historical kiln complex known for sculptural and figural teawares and high-fire glazes. Their teapots represent a different tradition than Yixing’s unglazed stoneware.
Yingge (鶯歌) in Taiwan:
A modern industrial art hub for porcelain and stoneware. They make excellent porcelain teapots rather than porous purple clays ideal for the Green tea and high-aroma teas that Taiwan is so well-known for.

10. Where to buy a Yixing teapot in Yixing
If you have the chance to visit Yixing in China then go to the Dingshu (丁蜀镇) area in the southern part of Yixing. Plan your trip around:
China Yixing Ceramics Museum (宜兴陶瓷博物馆)
Good information about the Yixing history, the kilns and masters. The museum store provide good information before shopping.
Address: 150 Dingshan North Road, Dingshu.
Taodu Ceramic City / Creative Ceramic Avenue (陶都陶瓷城/陶瓷文化街)
A large commercial cluster with many studio showrooms and several reputable galleries (e.g., D1-block studios)
Shushan / Old Street area (蜀山古街/丁蜀南街)
Historic craft neighborhood with small studios and demonstrations. It is quite touristy but you can meet genuine artisans if you take your time.
Brand venues
Factory No. 1–lineage shops (“Fangyuan”) and named masters studios. Prices are higher here.
New cultural anchor UCCA Clay (Kengo Kuma) is located inside a revitalized ceramics complex with contemporary exhibitions plus a gateway to serious studios in the same district.
Advice for your planning:
-
Shortlist shops, studios and artists you want to visit before you go. Some studios will require pre-booking.
- Consider your price range and compare different price level pots:
- Low priced tourist level molded pots
- Medium priced studio half-hand, good for day-to-day use
- Master-grade hand-made, for special occations and collection
- Check the finish - seams, tooling marks inside etc.
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Check the seals (stamps) both inside, outside (bottom plus under handle) and on lid and ask for documentation and process evidence (clay prep photos, workbench shots, kiln records).
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Ask to do a water test with the candidate pots you are interested in.
Check the pour with pothole open/closed, check lid fit and how well the pot keep and release the heat.
11. Yixing in numbers
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Historic annual output:
Documented numbers from the factory and co-operative era:
1932: ~2.2 million pieces
1956: ~0.9 million
1982: ~4.39 million
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Today's production facilities:
~400+ Zisha factories/production facilities and ~12,000 family workshops.
Many villages where >50% of households work in Zisha.
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Today's annual output:
There are no relyable published amounts for recent years.
Given the number of factories and workshops the total number of produced pieces of teapots are plausibly in the multi-million range but any specific number would be speculative
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Employment:
>100,000 people work in and around Zisha (Teaware makers + support)
Roughly half of Dingshu’s residents depend on pottery and ceramics.
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Fake copies:
There are no official statistics in regards to the number of fake copies. Fake copies can in some cases be just as good as the cheap original Yixing pots but it is still recommended to choose the pots from Yixing since even the cheap Yixing pots will be made as close to the original traditions as possible in terms of look, feel, clay etc.
Yixing is not only about material but also about method and tradition. Clay names are useful but workmanship and fit with your teas matter more in the cup than a romantic mine label.
The market rewards stamps and stories but the teapot rewards hands and water. When in doubt do a test - brew your favorite tea in the preferred Yixing teapot and in a ceramic Gaiwan and compare the result. In the end it is your taste and feeling that matters.
Enjoy your Yixing teapot
Sources:
- wuxi.gov.cn
- rongchang.gov.cn
- yixing.gov.cn
- Global Tea Hut magazine articles