Bring focused detail to your tea practice with Ru Ware Ring’s Cup 70ml, selected by Kungfuyang for gongfu tea and daily rituals.
Product Highlights
- Teacup selected for gongfu tea and daily rituals
- Distinctive crackle-glaze texture
- Capacity: 70ml
Materials & Craft
The source listing identifies Ru-style porcelain. Its crackle-glaze texture gives this teacup a distinct visual and tactile character.
Small variations in tone, glaze, texture, brushwork, or dimensions can occur in craft-led pieces and are part of their individual character.
Product Details

Product Specifications
Capacity: 70ml
Diameter: 6.0cm
Height: 5.5cm
Material: Ru ware ash clay & Celadon glaze
Food Safe: Yes
Packaging: Premium gift box
1. Origin and Historical Background
Production Site: The Qingliang Temple area in Baofeng County, Henan—the core archaeological site of the Northern Song official Ru kilns.
Historical Significance: The local kaolin clay around Qingliang Temple provided unique raw materials that established Ru ware as the foremost of the Five Great Kilns of the Song dynasty, renowned for its “sky-after-rain” celadon glaze.
2. Three-Point Nail-Support Firing Technique
Technical Principle: Fired using the traditional three-point nail-support method, where the piece rests on three small clay nails inside the kiln to minimize contact with the kiln shelf.
Craft Mark: Leaves subtle, sesame seed-like marks on the base—a key identifier of authentic Song dynasty Ru ware craftsmanship.
3. Glaze Formula and Color Development
Glaze Composition: Follows the ancient formula with powdered agate added to the glaze, enhancing its jade-like texture and luminous translucency.
Color Expression: Exhibits the classic “sky-after-rain” blue-green tone, with a soft, glossy surface that shifts in depth under changing light.
4. Crackle Pattern Characteristics
Pattern Type: Features a willow-leaf crackle—fine lines resembling the veins of a willow leaf swaying in spring breeze.
Aging Process: Over time, tea will naturally seep into the fine cracks, gradually developing golden or amber lines, enhancing the cup’s character with use.
5. Form and Functional Design
Shape: Thumb-ring cup form, with a rounded body, ergonomically shaped to rest comfortably between the thumb and index finger.
Functionality: Moderate capacity ideal for slow-sipping green tea or oolong; wall thickness balances heat retention and dissipation.
6. Cultural and Collectible Value
Aesthetic Value: Embodies the Song dynasty literati aesthetics of simplicity, subtlety, and harmony between craftsmanship, nature, and philosophy.
Collectibility: Each piece is entirely handmade, with a unique and unrepeatable crackle pattern, making it both a functional vessel and a heritage art object.

Ideal For
This teacup is suited to gongfu tea and daily rituals, personal collections, and thoughtful gifting where appropriate.
Care Instructions
Hand wash gently with warm water unless the original specifications state otherwise. Avoid abrasive cleaners and sudden temperature changes, then dry completely before storage.
About Kungfuyang
Kungfuyang is dedicated to Chinese tea culture, bringing together expressive teaware, practical accessories, and distinctive teas for unhurried daily rituals. We focus on clear product details, thoughtful presentation, and pieces that help people build a personal tea practice.
Shipping & Packaging
Orders are prepared with protective packaging. Available shipping services, estimated delivery times, duties, and taxes are shown at checkout and can vary by destination.
FAQ
What is included?
The included pieces, capacity, dimensions, and finish are defined by the selected variant and the preserved product specifications.
Will every piece look exactly the same?
Small variations in tone, glaze, texture, brushwork, or dimensions can occur in craft-led pieces and are part of their individual character.
How should I care for it?
Hand wash gently with warm water unless the original specifications state otherwise. Avoid abrasive cleaners and sudden temperature changes, then dry completely before storage.