Wangsu Science & Technology

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A Chinese internet infrastructure company focused on content delivery network and Internet data center services.

Last updated October 13, 2026

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Overview

Wangsu Science & Technology Co., Ltd. is a Chinese internet infrastructure services company established in 2000 and headquartered in Shanghai. Its principal activities are content delivery network (CDN) services and Internet data center (IDC) services. These businesses support the distribution, hosting, and connectivity requirements of online content and digital applications, positioning Wangsu within the underlying infrastructure layer of the internet rather than as a consumer-facing software or media brand. The company developed its domestic business under the ChinaNetCenter name and expanded its international operations through the Quantil and Quantil Networks brands. Quantil has been associated with the company’s overseas CDN activities, while Quantil Networks has been used for overseas IDC services. This brand structure reflects Wangsu’s division between its Chinese operating presence and its international network and data-center activities. Wangsu became a publicly traded company on the Shenzhen Stock Exchange in 2009, with its shares listed under ticker 300017.SZ. The company’s domestic market is organized across several broad Chinese regions, including East China, South China, North China, Central China, western China, and Northeast China. Its services are therefore delivered through a geographically distributed operating model suited to the regional nature of internet traffic and infrastructure demand. International expansion became a notable part of Wangsu’s development. In February 2017, the company announced an agreement to acquire an 85% stake in South Korean CDN provider CDNetworks from KDDI for approximately 21.1 billion yen, reported at the time as about US$185 million. The transaction was intended to extend Wangsu’s network reach and business operations outside China. It also connected Wangsu with an established international CDN platform and strengthened the company’s ability to serve cross-border content delivery requirements. Wangsu’s core positioning is that of a technology-driven provider of internet infrastructure, combining traffic delivery, data-center capabilities, and related cloud-oriented services. The available reference material specifically identifies CDN and IDC as its principal businesses. Broader descriptions of the company often associate it with cloud computing, edge-oriented infrastructure, and cloud security, but the referenced encyclopedia material most clearly supports CDN and IDC services. No separate consumer product portfolio or standalone retail brand is identified in the available sources.

History

Wangsu Science & Technology was established in 2000 in China and built its business around internet infrastructure services. The company’s principal activities are content delivery network services and Internet data center services. CDN operations distribute digital content through geographically dispersed network resources, while IDC operations provide infrastructure for hosting and connectivity. Together, these activities place Wangsu in the technical infrastructure segment that supports online services and digital traffic. The company later became publicly traded on the Shenzhen Stock Exchange in 2009, where it trades under ticker 300017.SZ. Its Chinese domestic operations are conducted under the ChinaNetCenter name. The domestic business is organized across East China, South China, North China, Central China, western China, and Northeast China, reflecting a regionally distributed operating structure. Wangsu also established an international operating presence through the Quantil brand for CDN services and Quantil Networks for IDC services. These overseas identities distinguish the company’s international activities from its China-focused ChinaNetCenter business. The international expansion strategy became more explicit in February 2017, when Wangsu announced the acquisition of an 85% interest in South Korean CDN provider CDNetworks from KDDI. The announced consideration was 21.1 billion yen, reported in contemporary descriptions as approximately US$185 million. Wangsu presented the transaction as a means of extending its network and business operations outside China. The available reference material identifies CDN and IDC as Wangsu’s core businesses. The company is therefore best characterized as an internet infrastructure provider rather than a conventional consumer brand. Its business model is connected to the delivery and hosting of online content and services, with domestic and international operations supported by separate commercial identities. Detailed information on later management changes, product generations, campaigns, financial performance, and subsequent corporate transactions is not established by the supplied reference material.

2017
International expansion through CDNetworks acquisition
[1]Wangsu Science & Technology - Wikipediaen.wikipedia.org
Wangsu announced the acquisition of 85% of South Korean CDN provider CDNetworks from KDDI for approximately 21.1 billion yen.
2009
Shenzhen Stock Exchange listing
[1]Wangsu Science & Technology - Wikipediaen.wikipedia.org
The company became listed on the Shenzhen Stock Exchange under ticker 300017.SZ.
2000
Company founded
[1]Wangsu Science & Technology - Wikipediaen.wikipedia.org
Wangsu Science & Technology was established in China and began developing its internet infrastructure business.

Products and positioning

Technology-driven internet infrastructure provider serving content delivery and data-center requirements in China and international markets.

Internet infrastructure
Content delivery network services
CDN services are Wangsu’s central business activity. They use distributed network infrastructure to deliver online content and digital traffic closer to users, supporting the performance and availability of internet services. Wangsu conducts domestic CDN activities under its ChinaNetCenter identity and international CDN activities through Quantil.
Data center and hosting infrastructure
Internet data center services
Internet data center services form the company’s second specifically identified core business. They provide infrastructure and connectivity resources for hosting online systems and digital applications. Wangsu’s international IDC operations are associated with the Quantil Networks brand.
International content delivery
Quantil international CDN services
Quantil is the operating brand associated with Wangsu’s overseas CDN business. It extends the company’s content delivery activities beyond the Chinese domestic market and is part of Wangsu’s international network strategy.
International data center services
Quantil Networks international IDC services
Quantil Networks is the international identity associated with Wangsu’s IDC business. It complements Quantil’s CDN role by representing the company’s overseas data-center and related infrastructure activities.

Controversies

2022
Source

2017
Acquisition of CDNetworksM&A
Background
Wangsu sought to expand its network reach and operations outside China and announced an agreement involving South Korean CDN provider CDNetworks.
Action taken
The company announced the purchase of an 85% stake in CDNetworks from KDDI for 21.1 billion yen, reported as approximately US$185 million at the time.
Aftermath
The announced transaction represented a significant step in Wangsu’s international CDN expansion. The supplied reference does not provide further details on its later financial or operational effects.
Announced transaction consideration. 21.1 billion yen for an 85% stake (Announced February 2017)
Source

Recent events

Unconfirmed
Websol? WINS China Patent Award of Excellence[6]网宿科技荣膺中国专利优秀奖finance.sina.com.cn
Reported: 2021-12-17
网宿科技 received the China Patent Award of Excellence for its patent on a TCP connection processing method, device and system.
Unconfirmed
Wangsu Technology and Antiy establish a strategic partnership[7]网宿科技与安天科技达成战略合作finance.sina.com.cn
Reported: 2021-04-30
Wangsu Technology and Antiy signed an agreement to establish a strategic partnership and jointly develop cybersecurity products and technologies and explore the market.
2021-03-25
Wangsu launches managed services provider offering[8]网宿科技发布MSP服务finance.sina.com.cn
Reported: 2021-03-25
Wangsu announced its MSP capability overview and launched an offering for cloud consultation, migration, management, and operations services.
2021-02-23
Wangsu launches SecureLink remote-access service[9]网宿科技推出SecureLink远程访问服务finance.sina.com.cn
Reported: 2021-02-23
Wangsu Technology launched SecureLink, a new zero-trust remote-access product for remote-work scenarios.
2020-10-30
Wangsu Technology terminates planned acquisition of Chuang Er Xin[10]网宿科技终止收购创而新计划sc.stock.cnfol.com
Wangsu Technology said its board meetings on October 30 approved terminating the planned acquisition of 100% of Chuang Er Xin's equity. The article states the parties decided to end the transaction after discussing its progress and the effects of the pandemic on Chuang Er Xin's orders.
2020-07-28
Wangsu Technology launches ESA[11]网宿科技推出ESA新品finance.sina.com.cn
Reported: 2020-07-29
Wangsu Technology launched Enter Secure Access (ESA), a zero-trust enterprise security access product integrating a security access gateway, security management center and end-to-end transmission acceleration.
2020-06-01
Wangsu Technology announces planned acquisition of Chuang Er Xin[12]网宿科技宣布拟收购创而新finance.sina.com.cn
Reported: 2020-06-01
Wangsu Technology announced a planned purchase of 100% of Chuang Er Xin Beijing Education Technology Co., Ltd. through a combination of share issuance and cash payment, at a provisional transaction price of RMB 800 million. The transaction would make Chuang Er Xin a wholly owned subsidiary if completed.

Sources14 sources

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