Hylink
Corporate brand
UnclaimedChinese advertising, media, and digital marketing services company.
Last updated October 9, 2026
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Overview
Hylink is a Chinese advertising and digital marketing company operating under the Hylink Digital Solutions name. The business was established in 1994 and developed from an advertising-services foundation into a broader communications and media group serving brands through digital strategy, creative work, media planning, advertising execution, and related marketing services. Its headquarters are in Beijing, and the company has been described as maintaining an international network that includes operations or offices in China, South Korea, the United States, and the United Kingdom. The company belongs to the advertising and marketing services industry rather than the consumer-goods sector. Its work is therefore generally delivered as business-to-business services for advertisers, brand owners, and other organizations. Typical engagements can involve campaign strategy, audience and market planning, creative development, digital activation, media buying, content distribution, and the measurement or optimization of marketing performance. The Hylink brand is associated with integrated communications: combining agency capabilities with media and digital execution instead of presenting itself solely as a traditional creative agency or a pure media-buying intermediary. Hylink's development reflects the wider transformation of the Chinese advertising market after the rise of internet platforms, mobile media, social networks, e-commerce, and data-led campaign management. As advertisers shifted budgets from conventional channels toward digitally measurable touchpoints, agencies such as Hylink expanded their role from producing advertising materials to coordinating multi-channel customer journeys and marketing technology. Hylink's international presence also supports cross-border work for Chinese companies seeking overseas exposure and for international brands addressing Chinese or Asian consumers. The company has been associated with a sizeable operating footprint, including approximately 21 offices and roughly 2,400 employees in the reference material. Those figures are time-sensitive and are not treated here as current workforce data. Hylink is listed on the Shanghai Stock Exchange under ticker 603825, making it one of the publicly traded Chinese companies in the advertising and marketing-services field. Founder Su Tong is identified as a central figure in the company's history and leadership. Reference material reports that Su Tong resigned as founder and chief executive in January 2025 amid allegations of market manipulation. The reported leadership event is significant for the company because it involved the founder and chief executive rather than a routine management transition; however, the available material does not establish a final legal determination or provide enough detail to characterize the allegations beyond the reported claim. Hylink's positioning is best described as an integrated, digitally oriented advertising and media-services provider with Chinese roots and international ambitions. Its competitive environment includes domestic advertising groups, global agency networks, independent digital agencies, media companies, and platform-based marketing providers. Detailed current product names, client rosters, financial performance, and post-2025 management arrangements are not established by the supplied reference material.
History
Hylink was founded in 1994 in China and became part of the advertising and marketing-services sector. Its early identity was rooted in advertising agency work, but the company later operated across a broader combination of media, digital marketing, and integrated communications services. This evolution followed major structural changes in the advertising industry, particularly the expansion of internet usage, mobile media, social platforms, online commerce, and data-oriented campaign measurement. From its Beijing base, Hylink developed an operating footprint extending beyond a single domestic office. The reference material describes approximately 21 offices and about 2,400 employees, with international activity including South Korea, the United States, and the United Kingdom. The South Korean presence has been described as operating through subsidiaries. The overseas network gave the company a platform for cross-border assignments, including work connected with Chinese companies expanding internationally and international advertisers seeking access to Chinese or Asian markets. The company's business model combines agency and media functions. Rather than limiting its role to creative production, Hylink's described activities encompass digital strategy, advertising, media planning, campaign execution, and communications services. This integrated model allows an agency to coordinate planning, creative development, distribution, and digital activation within one commercial relationship, although the available reference material does not provide a detailed breakdown of revenue by service line or geography. Hylink is a publicly traded company on the Shanghai Stock Exchange under ticker 603825. Its listing placed the company within China's publicly visible advertising and marketing-services industry and provided a corporate structure distinct from privately held independent agencies. No reliable financial figures are included in this dossier because the supplied material does not provide a sufficiently verifiable source and reporting context for them. Founder Su Tong is identified as a major historical leader. In January 2025, reference material reported that Su Tong resigned from the chief executive role amid allegations of market manipulation. This event represents a notable leadership and governance episode in Hylink's history. The available source does not provide enough information to determine the precise allegations, the status of any investigation, or whether a court or regulator reached a final conclusion. Accordingly, the event is recorded as a reported allegation and leadership change rather than as an established finding of wrongdoing. The supplied leadership information also identifies Xavier Sun as chief operating officer, Yukun Bi as head of planning, James Hebbert as managing director of Hylink UK, and Ying Tiun as digital director of Hylink UK. Their current status and appointment dates are not established in the available reference material. Hylink's present strategic direction, detailed client portfolio, current workforce, and current executive succession therefore require additional verification.
- 2025
Founder and chief executive resigns
[1]Su Tong reportedly resigned in January 2025 amid allegations of market manipulation.
- 1994
Company founded
[1]Hylink was established in China as an advertising and marketing-services business.
International operating footprint developed
[1]The company expanded its described operations beyond China, including activity in South Korea, the United States, and the United Kingdom.
Shanghai Stock Exchange listing
[1]Hylink Digital Solutions is identified as a Shanghai-listed company trading under ticker 603825; the supplied material does not specify the listing year.
Products and positioning
Mid- to upper-tier integrated advertising and digital marketing services provider.
Digital marketing
Digital marketing services
Hylink's digital marketing work is described broadly as helping advertisers plan and execute campaigns across internet, mobile, social, and other digital channels. Such work can include audience strategy, content distribution, activation, optimization, and performance measurement. The supplied material does not identify a proprietary software product or a separately branded technology platform, so this entry refers to a service line rather than a named product.
Advertising · 1994
Advertising agency services
The company's core offering is advertising agency support for brands and organizations. This may include communications strategy, creative development, campaign management, and coordination of paid media. Hylink's agency identity is connected with its broader digital and media capabilities, rather than with a single narrow creative specialty. Specific named campaigns and client accounts are not established in the supplied references.
Media services
Media planning and buying
Hylink operates in the media side of advertising by supporting planning, channel selection, placement, and campaign distribution. The service can be combined with digital strategy and creative work to give clients an integrated communications program. Available references describe the company as both an advertising agency and media company but do not provide a detailed channel or market-by-market service catalogue.
International marketing
Cross-border marketing services
Through its international offices and subsidiaries, Hylink supports marketing activity spanning China and overseas markets. The international service proposition is relevant to Chinese companies seeking global visibility as well as non-Chinese brands seeking to communicate with Chinese or wider Asian audiences. The available material confirms the international footprint but does not document a separately named product package.
Controversies
2025
Reported market-manipulation allegations involving founder
Reference material states that founder and chief executive Su Tong resigned in January 2025 due to allegations of market manipulation. The available source does not provide sufficient detail about the alleged conduct, any regulator's findings, or the final legal disposition.
Brand decisions
2025
Leadership transition following founder's resignationOtherBackground
Su Tong, identified as Hylink's founder and chief executive, reportedly resigned in January 2025 amid market-manipulation allegations.
Action taken
The reported resignation removed the founder from the chief executive role. The successor and the company's detailed response are not identified in the supplied material.
Aftermath
The available references do not document the subsequent executive structure, investigation outcome, or long-term business impact.
Recent events
Reported
Huayang Lianzhong and Shenlong sign strategic cooperation agreement[2]
Huayang Lianzhong and Shenlong signed a strategic cooperation agreement to develop an online automotive retail model.
Reported
Hainan Tourism Investment Duty Free and Hylink sign strategic cooperation agreement[3]
Hainan Tourism Investment Duty Free Co., Ltd. and Hylink signed a strategic cooperation framework agreement to work together on a duty-free and tourism retail concept community in the Greater Sanya tourism economic circle.
Reported
Xunlei Chain and Huayang Union launch Magellan platform[4]
Xunlei Chain and Huayang Union jointly launched Magellan CVP (Consumer Value Platform), a blockchain technology platform intended to connect participating companies' user data. The report says the platform is intended to address data silos and increase value across the alliance.
Reported
Huayang Union and Xunlei Chain launch Magellan platform[5]
Huayang Union and Xunlei Chain launched Magellan, a blockchain-based user value platform. Anta, Dmall, and Maoyan were named as the first brand clients to connect to the platform.
Reported
Hylink launches Dynamic Customer Detector[6]
Hylink launched DCD (Dynamic Customer Detector), a consumer value operations and management system, at its Golden Touch Awards-themed dinner in Shanghai.
Sources7 sources
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