China · Ceramic Repair; Metal Staple Joinery

Chinese Juci (锔瓷) Metal-Staple Porcelain Repair

锔瓷 (jū cí); traditional characters 鋦瓷; craftsperson: 锔匠 (jū jiàng)

Juci is the Chinese craft of mending broken porcelain and other ceramics with small metal staples. The mender fits the shards back together, drills a pair of blind holes on either side of the crack with a diamond-tipped drill turned by a hand bow, and hammers in a hand-forged staple whose hooked legs pull the pieces tight. The seam is then sealed with a lime-based paste so the vessel can hold water again. The trade proverb 'Without a diamond drill, don't take on porcelain work' (没有金刚钻,别揽瓷器活) refers to the drilling. The exact origin is not recorded, but a mender is depicted in the Song-dynasty scroll 'Along the River During the Qingming Festival' and the trade was consolidated in the Ming and Qing. Since the Qing there have been two registers: 'common work' for household utility and 'show work' in which the staples are deliberate decoration. Today it survives mainly as provincially listed heritage and as an art-repair practice.

Risk level: Vulnerable · Not listed by UNESCO. No national-level (State Council) listing verified. Provincial listings found: Sichuan, 6th batch, April 2023 (Chengdu Chenghua District); Shandong, 5th batch, 2021 ('Juyi — Zibo juci'); Hunan, 5th batch, 2021 ('Ancient ceramic repair — Li-style juci', Changde); Jiangsu, 2023 (Nantong); Liaoning (provincial list 'Juci technique', batch not confirmed; Fushun city list since 2006). Municipal: Nantong 2017, Wuhan 7th batch (2022), Hangzhou 7th batch. Shanghai has an ICH project on juci (level not confirmed).

Alternate Names
Ju ci; jucí; staple repair; ceramic riveting; porcelain stapling; 锔活 (juhuo); 锔碗 (bowl mending); 补瓷; 锔艺 (Shandong list name); 常活 / 粗活 (common work) and 秀活 / 行活 (show work) for the two registers
Geographic Center
Nationwide historically (itinerant menders in every region). Documented present-day centers: Chengdu (Sichuan), Zibo (Shandong), Fushun (Liaoning), Changde (Hunan), Nantong (Jiangsu), Wuhan (Hubei), Hangzhou (Zhejiang) and Shanghai.
Community / Ethnic Group
Han Chinese itinerant menders (jujiang) and family lines; today studio-based practitioners of several generations, including some who came to the craft from other careers.
Estimated Origin
Not recorded in historical texts. Evidence: the character 鋦 is defined as binding with iron in the Yupian dictionary (543 CE), which shows the word but not porcelain repair; a mender appears in the Song 'Qingming' scroll (12th century); itinerant menders are described as established by the Song–Yuan period and the craft matured in the Ming–Qing. Hsieh Ming-liang (2017) argues that 18th-century European staple repair of hard-paste porcelain was probably influenced by China.
Cultural Function
Originally utility: prolonging the life of cherished or costly ware. From the Ming, stapled ceramics also acted as a sign of antiquity in literati painting. Today the visible repair is read as 'the beauty of the incomplete' (canque zhi mei) and as a record of an object's history, which is why show work is often prized over invisible restoration. Hsieh notes that only China and Japan gave stapled ceramics this kind of symbolic or collectible value.
Primary Materials
Porcelain or stoneware to be mended; staples hand-forged from iron or copper (the usual metals for ordinary and Ming-period ware) and from gold or silver for fine Ming–Qing pieces; sealing paste of quicklime powder mixed with glutinous-rice liquid or egg white ('white porcelain paste'); a diamond drill tip.
Primary Tools
Bow drill with diamond tip (弓钻); diamond awl for starting the hole; curved hook knife with a notch to correct the staple's curve and a hook to pull it into place (弧勾刀); hammers (a Zibo practitioner is reported to own over 500, many self-forged); shears and tweezers. Hsieh also documents the pump drill (舞钻) in Chinese images of menders.
Process Overview
Fit and bind the shards, mark staple positions, drill paired holes either side of the crack, shape and set the staples, and seal the seam and holes.
Traditional Applications
Mending bowls, plates, basins, teapots and large water vats; household utility ware; antique and collector ceramics.
Contemporary Applications
Museum-grade ceramic repair (Capital Museum vat), decorative show work on tea ware and gifts, mending as a memory-keeping service (clients mail broken pieces to Chengdu), workshops, short video, heritage markets.
Notable Practitioners
Yang Tao (Zibo, Shandong) — Yang-style juci, fifth generation; reported to have worked on the staple repair of a Ming Jiajing blue-and-white fish-and-algae vat at the Capital Museum from 2018, and a guest professor at Zibo Normal College (2023). Wang Peibo (Chengdu, Sichuan) — studio of 120 m² with more than 20 apprentices; named a Chengdu outstanding ICH inheritor in 2021 and described in 2025 as a provincial-level inheritor. Wang Zhenhai (Fushun, Liaoning) — fifth generation of a family that traces its trade to Qing imperial workshops by the practitioner's own account; city-listed since 2006. Ji Xiaojie (Nantong, Jiangsu) — disciple of Wang Zhenhai since 2016, described in local news as a provincial-level inheritor. Tong Weicheng (Shanghai) — named in a 2024 Paris thesis as the transmission representative of Shanghai's juci ICH project.
Key References
Sichuan Provincial Information Network, 'Juci technique' (scdfz.sc.gov.cn, 2023); China.org.cn, 'Ancient Chinese ceramic mending craft finds new life' (Jan 2026); Xinhua, 'Juci craftsman Yang Tao' (May 2024); Palace Museum, 'An inquiry into the principle of the staple' (dpm.org.cn); Hsieh Ming-liang, Taiwan J. Art History 42 (2017); Changde government, Li-style juci (2025); Xinhua via Yangpu Times, 'Juci becomes ICH' (2014); Liaoning provincial ICH list (ln.gov.cn); Zibo ICH catalog (wh.zibo.gov.cn, 2024); Tencent News on Wang Peibo (Jan 2025); Nantong local news on Ji Xiaojie (2025); Taiwan NTCRI conservation knowledge site; Garachon, Rijksmuseum Bulletin 58 (2010); Peng Jia thesis, HAL dumas-04765743 (2024).
Verification Status
Desk-Researched — Needs Practitioner Verification

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