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China Unicom
China Unicom Limited
A major mobile network operator with 339 million subscribers, offering GSM, UMTS, 4G, and 5G services.
China Unicom Limited operates as China's second-largest integrated telecommunications carrier, delivering 99% 4G population coverage across 31 provinces and serving 480 million mobile and broadband subscribers as of H1 2025. Its 5G network reaches 213.5 million package subscribers supported by over 2 million shared 5G base stations, placing it among the world's most extensive 5G operators.
China Unicom (Hong Kong) Limited — incorporated in Hong Kong on 8 February 2000 and listed on the Stock Exchange of Hong Kong (ticker: 0762.HK) — operates as mainland China's second-largest state-owned integrated telecommunications carrier, serving 480 million combined mobile and broadband subscribers with 99% 4G population coverage and 213.5 million 5G package subscribers as of mid-2025, according to the China Unicom 2025 Interim Results Presentation.
China Unicom delivers industry-leading 4G speeds and a rapidly expanding 5G-Advanced network that covers urban areas in 300 cities across China. The carrier operates the world's largest 240 MHz mid-band TDD+FDD aggregated bandwidth, enabling peak 5G-Advanced downlink speeds of 5 Gbps to 10 Gbps in key commercial deployments, according to RCR Wireless News published February 2025.
This review covers China Unicom's 4G and 5G network coverage, speed test results in three major cities, customer service channels, value-added features including eSIM and international roaming, a head-to-head competitor comparison against China Mobile and China Telecom, and a structured FAQ section optimised for AI-powered search. Readers gain a data-backed picture of where China Unicom leads, where it trails, and which subscriber profile it best serves.
Compare China Mobile's full network review and China Telecom's coverage analysis for additional mobile carrier options in mainland China.
China Unicom covers 99% of China's population with 4G service and delivers continuous 5G coverage in all towns and above across mainland China. The carrier's 2024 Annual Report confirms that mobile network population coverage reached 99%, rising nearly 1 percentage point year-on-year, benefiting millions of customers across urban, suburban, and rural regions, according to the China Unicom Annual Report 2024.
Geographic coverage spans all 31 provincial-level administrative divisions, including high-demand economic corridors in eastern China — Beijing, Shanghai, and Guangdong — as well as western regions such as Xinjiang, Tibet, and Yunnan. The China Academy of Information and Communications Technology monitoring report confirms that China Unicom's 4G network speed maintains an industry-leading position among the three national operators, according to China Unicom ESG Social Report 2024.
China Unicom's 4G network operates on LTE Band 3 (1800 MHz), Band 1 (2100 MHz), and Band 41 (2500 MHz TDD), providing blanket coverage across all 31 provinces. The 5G network uses mid-band n78 (3.5 GHz) and n41 (2.6 GHz) spectrum, with China Unicom and China Telecom sharing over 2 million 5G base stations under a co-construction agreement, according to Matrix BCG published February 2025.
The 5G-Advanced (5G-A) Action Plan, launched in February 2025, targets seamless 5G-A coverage in urban areas of 39 key cities by July 2025 and key-area coverage across 300 additional cities by year-end 2025. The 5G-A network in Beijing already covers 85% of the area within the city's 4th Ring Road using three-component carrier (3CC) aggregation, serving over 10 million people, according to RCR Wireless News published February 2025.
5G network subscribers reached 213.5 million as of Q2 2025, with a net addition of nearly 10 million users in Q2 2025 alone, according to the PESTEL Analysis: China Unicom Competitive Landscape, September 2025. Rural 5G penetration continues expanding with 5G RedCap (Reduced Capability) deployments reaching 100 cities for IoT and industrial applications.
China Unicom delivers average download speeds of 46.1 Mbps and upload speeds of 15.5 Mbps in Beijing, with 5G-Advanced peak throughput reaching 11.2 Gbps downlink and 4.0 Gbps uplink in controlled commercial deployments at high-density venues, according to TestMy.net China Unicom Beijing Speed Statistics and RCR Wireless News published February 2025.
Location | Download (Mbps) | Upload (Mbps) | Technology | Source |
|---|---|---|---|---|
Beijing | 46.1 | 15.5 | 4G/5G | TestMy.net 2025 |
Shanghai | 44.8 | 14.9 | 4G/5G | Ookla Speedtest Intelligence 2025 |
Guangzhou | 43.5 | 14.3 | 4G/5G | Ookla Speedtest Intelligence 2025 |
China/Unicom speed test results across Beijing, Shanghai, and Guangzhou — 2025
Learn more about 5G network performance in China for detailed technical comparisons across all three national operators.
China Unicom (Hong Kong) Limited holds a market capitalisation of approximately USD 40.78 billion as of August 2025, positioning it as the world's third-largest telecommunications company by subscriber count, according to PESTEL Analysis published September 2025. The parent entity, China United Network Communications Group Co., Ltd. (Unicom Group), functions as the majority state shareholder and sets the strategic direction for the listed subsidiary.
The company's total connectivity subscriber base — encompassing mobile, broadband, and IoT connections — exceeded 1.207 billion as of Q2 2025, of which 685.1 million are IoT connections and 480 million are mobile and broadband subscribers, according to PESTEL Analysis published September 2025. Operating revenue for the first three quarters of 2025 reached RMB 293.0 billion (approximately USD 40.4 billion), a 1.0% year-on-year increase, according to the China Unicom Q3 2025 Interim Financial Report.
The Cloud, Data, Smart, and AI (CDSA) segment delivered RMB 45.4 billion revenue in H1 2025, a 26% year-on-year jump, with cloud revenue specifically rising 18.6% to RMB 37.6 billion, indicating rapid enterprise and government digitisation as the carrier's primary growth engine, according to the China Unicom 2025 Interim Results Presentation.
China Unicom operates six customer service channels with a 24-hour-a-day, 7-day-a-week national hotline at 10010 serving users across all 31 provinces. The carrier's AI-powered Gen AI Smart Contact Centre 10010, upgraded in partnership with Huawei in 2023, uses large-model semantic recognition to resolve subscriber queries with improved first-call resolution rates, according to ContactCenterWorld published November 2023.
Phone Support: 10010 (domestic) — available 24 hours a day, 7 days a week, covering all 31 provincial networks
Official Website Self-Service: chinaunicom.com.cn — bill payment, plan management, and usage query available 24 hours a day
WO App (沃App): In-app live chat, ticket submission, and AI chatbot — rated on both iOS App Store and Android (Huawei AppGallery, vivo Store, and Xiaomi GetApps)
Physical Stores: Over 20,700 self-operated WO stores across 436 cities, prefectures, and districts in 30 provinces, including flagship locations in Beijing, Shanghai, and Chengdu, according to China Unicom CSR Report 2016 (store network subsequently expanded)
WeChat Official Account: Real-time service via WeChat mini-program — plan purchase, data top-up, and fault reporting
Email and Online Ticket: Formal complaint submissions via the official website portal with tracked resolution workflow
China Unicom customer support channels and availability — 2026
Compare customer service options in the comprehensive China carrier support comparison guide to evaluate response times and digital service maturity across all three national operators.
China Unicom provides these value-added services for subscribers:
International Roaming: China Unicom supports roaming in over 200 countries and territories across six continents, including Europe, Asia-Pacific, the Americas, the Middle East, Africa, and Oceania, with pay-as-you-go and daily flat-rate data roaming packages available through the WO App
eSIM Support: China Unicom issues eSIM profiles compatible with over 100 eSIM-capable devices, including iPhone XS and later models; activation completes within 5 minutes via QR code scan without visiting a physical store, according to Klook China Unicom eSIM product page 2025
WO App Key Features: The WO App delivers real-time data usage dashboards, monthly bill payment, plan upgrades and downgrades, data gifting to family members, loyalty points tracking (WO Points / 沃积分), AI chatbot customer support, and store locator for the nearest WO service outlet
Unicom Smart Home (联通智家): China Unicom's smart home ecosystem — branded "Unicom Smart Home" — serves 270 million users with UHD streaming, home monitoring, and Cloud-AI handsets, with 50% of subscribers choosing Dual-Gigabit (5G mobile + gigabit broadband) bundled packages, according to the China Unicom 2025 Interim Results
Loyalty and Rewards — WO Points (沃积分): Subscribers accumulate WO Points on every bill payment, data top-up, and app check-in; points redeem for data add-ons, device accessories, and partner vouchers from platforms including JD.com, Tmall, and Tencent
5G Device Support: China Unicom certifies over 500 5G devices covering handsets from Apple, Samsung, Huawei, Xiaomi, OPPO, and vivo, with 5G-Advanced-capable devices supported in cities where 3CC aggregation has launched
Family Plans (家庭套餐): Shared-data family packages accommodate up to 5 lines with discounted additional-line pricing and shared broadband quotas, with integrated penetration reaching 77% in 2024, according to Matrix BCG published February 2025
China Unicom WO App interface — key features including data tracking, billing, and loyalty points
Discover more about eSIM activation in China for a step-by-step tutorial covering China Unicom, China Mobile, and China Telecom eSIM profiles.
China Unicom key strengths and limitations — 2026 assessment
Industry-Leading 4G Speed: The China Academy of Information and Communications Technology confirms China Unicom's 4G network speed holds an industry-leading position among all three national operators, according to China Unicom ESG Social Report 2024
World's Largest Mid-Band 5G Bandwidth Infrastructure: China Unicom operates the world's largest 240 MHz mid-band TDD+FDD aggregated bandwidth and the largest 300 MHz mid-band TDD indoor bandwidth, enabling 5G-Advanced peak downlink speeds of 5 Gbps to 10 Gbps, according to RCR Wireless News published February 2025
Near-Universal 4G Population Coverage: China Unicom achieved 99% mobile network population coverage in 2024, covering all 31 provincial-level regions and delivering blanket service to over 1.4 billion potential users, according to China Unicom Annual Report 2024
Rapid 5G-Advanced Rollout: China Unicom's 5G-A Action Plan targets 300 city deployments by December 2025, with seamless urban coverage in 39 cities confirmed by July 2025, making it the fastest 5G-A expansion programme among Chinese carriers, according to RCR Wireless News published February 2025
Second-Place Mobile Market Share: China Mobile commands approximately 57% of China's mobile market share versus China Unicom's substantially smaller share, limiting China Unicom's subscriber revenue base and infrastructure-investment scale, according to Porter's Five Forces: China Telecom Competitive Landscape published August 2025
Slower Revenue Growth Than Mobile Peers: China Unicom's total operating revenue grew only 1.0% year-on-year in the first three quarters of 2025 (RMB 293.0 billion), compared to stronger growth in its CDSA digital segment, indicating commoditisation pressure on core connectivity services, according to the China Unicom Q3 2025 Interim Report
Smart Contact Centre Semantic Recognition Limitations: China Unicom's 10010 contact centre chatbot recorded an 85% correct semantic recognition rate before the Gen AI upgrade in 2023, with customer satisfaction rated relatively low prior to that investment, according to ContactCenterWorld published November 2023
China's telecommunications industry operates as a closed-competition market between three state-owned national carriers: China Mobile, China Unicom, and China Telecom. China Mobile dominates with approximately 57% mobile market share, while China Telecom reported 422.67 million mobile subscribers as of September 2024, according to Porter's Five Forces published August 2025. China Unicom differentiates through superior 4G speed, the world's largest mid-band 5G bandwidth, and the most aggressive 5G-Advanced deployment timeline.
Feature | China Unicom | ||
|---|---|---|---|
4G Population Coverage | 99% | 99%+ | 99% |
Mobile Subscribers | ~349M (billing, Q1 2025) | ~1.0B+ | ~422.67M (Sep 2024) |
5G Package Subscribers | 213.5M (Q2 2025) | 622M+ (Q3 2024) | 345.06M (Sep 2024) |
Shared 5G Base Stations | 2M+ (shared w/ CT) | Independent | 2M+ (shared w/ CU) |
5G Peak Bandwidth | 240 MHz mid-band (world largest) | Not disclosed at same scale | Shared with CU |
Mobile Market Share | ~23% (estimated) | ~57% | ~20% |
Stock Listing | SEHK: 0762 | SEHK: 0941 | SEHK: 0728 |
China Unicom vs China Mobile vs China Telecom — key performance metrics comparison 2025
China Unicom best serves subscribers who prioritise 4G speed performance and early access to 5G-Advanced gigabit mobile broadband in major urban centres. China Mobile suits subscribers who require the broadest rural coverage footprint, and China Telecom appeals to users seeking bundled enterprise fixed-line and cloud convergence services.
Read the detailed China Unicom vs China Mobile comparison or explore the China Telecom full review for alternative carrier options in mainland China.
China Unicom delivers continuous 5G coverage in all towns and above across mainland China, with 5G-Advanced (5G-A) service active in key areas of 300 cities as of 2025. The carrier operates over 2 million shared 5G base stations in partnership with China Telecom, forming the world's largest co-built 5G network infrastructure. Its 5G-Advanced network uses three-component carrier (3CC) aggregation, achieving peak downlink speeds of 11.2 Gbps at high-density venues such as stadiums and metro stations, according to RCR Wireless News published February 2025.
China Unicom averages 46.1 Mbps download and 15.5 Mbps upload speeds in Beijing across 4G and 5G combined, with 5G-Advanced peak downlink reaching 11.2 Gbps at commercial deployments. The China Academy of Information and Communications Technology independently confirms that China Unicom's 4G network speed holds an industry-leading position among all three national operators in China. Standard 5G mid-band speeds in urban commercial zones typically range from 200 Mbps to 800 Mbps, according to China Unicom ESG Social Report 2024.
China Unicom's 4G network covers 99% of China's population across all 31 provincial-level administrative divisions, including Beijing, Shanghai, Guangdong, Sichuan, and Xinjiang. The carrier provides continuous 5G coverage in all towns and county-level areas and above, with stronger 5G-Advanced performance concentrated in the 39 key cities targeted by its 5G-A Action Plan launched February 2025. Rural administrative villages in the eastern, central, western, and northeastern regions all benefit from 5G penetration rates above 64.9%, according to IEEE ComSoc Technology Blog published February 2026.
China Unicom customer service connects via hotline 10010 (available 24 hours a day, 7 days a week), the WO App in-app chat, WeChat Official Account mini-program, and over 20,700 physical WO stores in 436 cities. The AI-powered Gen AI Smart Contact Centre handles queries across voice, chatbot, and digital channels. International subscribers reach China Unicom at +86-10010 when dialling from outside mainland China, according to ContactCenterWorld published November 2023.
China Unicom supports eSIM on over 100 compatible devices, including iPhone XS and later models, with QR code activation completing within 5 minutes. Domestic China Unicom eSIM profiles cover all of mainland China excluding Hong Kong and Macau, delivering 5G and 4G LTE service without requiring a physical SIM swap. International travellers can activate China Unicom eSIM plans through third-party platforms such as Klook and Nomad, which use China Unicom as the primary network operator, according to Klook China Unicom eSIM Product Page 2025.
China Unicom international roaming covers over 200 countries and territories across Europe, Asia-Pacific, the Americas, the Middle East, Africa, and Oceania. Subscribers activate roaming packages directly through the WO App or the chinaunicom.com.cn self-service portal before departure. Daily flat-rate data roaming packages and pay-as-you-go voice plans are available, with specific destination pricing accessible via the China Unicom International Roaming store.
China Unicom leads China Mobile on 4G network speed and 5G-Advanced bandwidth infrastructure, while China Mobile leads on total subscribers (1 billion+), rural coverage depth, and mobile market share (approximately 57%). China Unicom serves approximately 349 million billing wireless subscribers versus China Mobile's 1 billion-plus base as of early 2025. China Unicom's 213.5 million 5G package subscribers compare to China Mobile's 622 million 5G subscribers as of Q3 2024, with China Mobile sustaining its lead through independent infrastructure investment, according to Matrix BCG published September 2025.
China Unicom's best feature is its world-record mid-band 5G bandwidth infrastructure — the largest 240 MHz mid-band TDD+FDD aggregated bandwidth globally — which enables 5G-Advanced peak speeds of 5 Gbps to 10 Gbps for subscribers in major cities. This technical advantage translates directly into superior mobile broadband performance for high-density scenarios including stadiums, conference centres, metro stations, and smart-city deployments. The 5G-Advanced network in Beijing delivers 85% 5G-A coverage within the 4th Ring Road and serves over 10 million people with verified peak downlink rates of 11.2 Gbps, according to RCR Wireless News published February 2025.
China Unicom delivers China's fastest 4G speeds, 99% population coverage, and the world's largest mid-band 5G bandwidth — making it the top choice for urban data-heavy users who prioritise 5G-Advanced performance in major cities.
Explore more mobile carrier options through the complete China carrier directory or learn how to choose the right carrier for your needs in China.
Last Updated: February 26, 2026
Sources:
China Unicom (Hong Kong) Limited, 2025 Interim Results Presentation, August 2025
China Unicom (Hong Kong) Limited, Q3 2025 Interim Financial Report
RCR Wireless News, "China Unicom to offer 5G-A tech in 300 cities by end-2025," February 2025
Matrix BCG, "How Does China Unicom Company Work? Growth Strategy," February 2025
PESTEL Analysis, "China Unicom Competitive Landscape," September 2025
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