Arrail Group (Arrail Dental) is a leading dental services provider in China, operating a network of dental clinics and hospitals under a dual-brand strategy through the Arrail Dental and Rytime Dental brands. The company provides a comprehensive range of general and specialty dental services, including general dentistry, orthodontics, and implantology. Founded in 1999 by Robert Zou with its first clinic in Beijing, Arrail was, according to Frost & Sullivan, the largest dental services provider in China's premium private dental service market based on 2020 revenue. The company is listed on the Main Board of the Hong Kong Stock Exchange.
Arrail Dental is publicly traded
This company is no longer available on our private secondary market. Shares can be traded publicly under its listed ticker.
Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Founded
1999
Employees
3,000+
Total Funding
$400M
5 rounds
HKEX issued resumption guidance to Arrail Group: complete the forensic investigation, remediate internal controls and publish outstanding results within 18 months or face…
Shares suspended since December 2025; the listing is at risk if the conditions are not met.
Replaced PwC with HLB Hodgson Impey Cheng as auditor after PwC could not commit to a timetable for the delayed FY2026 H1 interim review.
Delayed audited financials and auditor turnover increase reporting-reliability risk.
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Total raised $400M across 5 rounds
Last updated 09-24-2026
| Date | Round | Amount Raised | Valuation | Lead Investors |
|---|---|---|---|---|
| Apr 2021 | Series E | $200M | $0.98B | Temasek Holdings |
| Aug 30, 2017 | Series D | $90M | — | Goldman Sachs, Hillhouse Capital |
| Apr 2014 | Series C | $70M | — | New Horizon Capital |
Robert Zou (Zou Qifang)
Founder, Chairman & Chief Executive Officer
Arrail Group listed on the Main Board of the Hong Kong Stock Exchange on 22 March 2022 under stock code 6639, pricing its offer at HK$14.62 per share for a market capitalisation of roughly HK$8.5 billion. Trading in the shares has been suspended since December 2025 while an independent forensic investigation into related-party loans and associated payments runs and the group's outstanding interim and annual financial results remain unpublished; PwC resigned as auditor in February 2026 and was replaced by HLB Hodgson Impey Cheng. In April 2026 the exchange issued formal resumption guidance requiring Arrail to complete the investigation, remediate internal controls and publish all outstanding results within 18 months, failing which the listing may be cancelled.
Arrail Dental shares can be purchased through any standard brokerage account — including Fidelity, Charles Schwab, TD Ameritrade, and online platforms like Robinhood or E*TRADE. Search for the ticker to place an order.
Arrail Dental raised $400M across 5 disclosed funding rounds prior to its public listing.
Arrail Dental was founded by Robert Zou (Zou Qifang) in 1999.
Arrail Dental is headquartered in Beijing, China.
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