1 Report Overview 1.1 Study Scope 1.2 Market Analysis by Type 1.2.1 Global Virus Tracker Apps Market Size Growth Rate by Type: 2016 VS 2021 VS 2027 1.2.2 Health Status QR Code 1.2.3 Exposure Risk Assessment 1.2.4 Infection Trace 1.3 Market by Application 1.3.1 Global Virus Tracker Apps Market Share by Application: 2016 VS 2021 VS 2027 1.3.2 Hospital 1.3.3 Clinic 1.3.4 Household 1.3.5 Other 1.4 Study Objectives 1.5 Years Considered 2 Global Growth Trends 2.1 Global Virus Tracker Apps Market Perspective (2016-2027) 2.2 Virus Tracker Apps Growth Trends by Regions 2.2.1 Virus Tracker Apps Market Size by Regions: 2016 VS 2021 VS 2027 2.2.2 Virus Tracker Apps Historic Market Share by Regions (2016-2021) 2.2.3 Virus Tracker Apps Forecasted Market Size by Regions (2022-2027) 2.3 Virus Tracker Apps Industry Dynamic 2.3.1 Virus Tracker Apps Market Trends 2.3.2 Virus Tracker Apps Market Drivers 2.3.3 Virus Tracker Apps Market Challenges 2.3.4 Virus Tracker Apps Market Restraints 3 Competition Landscape by Key Players 3.1 Global Top Virus Tracker Apps Players by Revenue 3.1.1 Global Top Virus Tracker Apps Players by Revenue (2016-2021) 3.1.2 Global Virus Tracker Apps Revenue Market Share by Players (2016-2021) 3.2 Global Virus Tracker Apps Market Share by Company Type (Tier 1, Tier 2 and Tier 3) 3.3 Players Covered: Ranking by Virus Tracker Apps Revenue 3.4 Global Virus Tracker Apps Market Concentration Ratio 3.4.1 Global Virus Tracker Apps Market Concentration Ratio (CR5 and HHI) 3.4.2 Global Top 10 and Top 5 Companies by Virus Tracker Apps Revenue in 2020 3.5 Virus Tracker Apps Key Players Head office and Area Served 3.6 Key Players Virus Tracker Apps Product Solution and Service 3.7 Date of Enter into Virus Tracker Apps Market 3.8 Mergers & Acquisitions, Expansion Plans 4 Virus Tracker Apps Breakdown Data by Type 4.1 Global Virus Tracker Apps Historic Market Size by Type (2016-2021) 4.2 Global Virus Tracker Apps Forecasted Market Size by Type (2022-2027) 5 Virus Tracker Apps Breakdown Data by Application 5.1 Global Virus Tracker Apps Historic Market Size by Application (2016-2021) 5.2 Global Virus Tracker Apps Forecasted Market Size by Application (2022-2027) 6 North America 6.1 North America Virus Tracker Apps Market Size (2016-2027) 6.2 North America Virus Tracker Apps Market Size by Type 6.2.1 North America Virus Tracker Apps Market Size by Type (2016-2021) 6.2.2 North America Virus Tracker Apps Market Size by Type (2022-2027) 6.2.3 North America Virus Tracker Apps Market Size by Type (2016-2027) 6.3 North America Virus Tracker Apps Market Size by Application 6.3.1 North America Virus Tracker Apps Market Size by Application (2016-2021) 6.3.2 North America Virus Tracker Apps Market Size by Application (2022-2027) 6.3.3 North America Virus Tracker Apps Market Size by Application (2016-2027) 6.4 North America Virus Tracker Apps Market Size by Country 6.4.1 North America Virus Tracker Apps Market Size by Country (2016-2021) 6.4.2 North America Virus Tracker Apps Market Size by Country (2022-2027) 6.4.3 United States 6.4.4 Canada 7 Europe 7.1 Europe Virus Tracker Apps Market Size (2016-2027) 7.2 Europe Virus Tracker Apps Market Size by Type 7.2.1 Europe Virus Tracker Apps Market Size by Type (2016-2021) 7.2.2 Europe Virus Tracker Apps Market Size by Type (2022-2027) 7.2.3 Europe Virus Tracker Apps Market Size by Type (2016-2027) 7.3 Europe Virus Tracker Apps Market Size by Application 7.3.1 Europe Virus Tracker Apps Market Size by Application (2016-2021) 7.3.2 Europe Virus Tracker Apps Market Size by Application (2022-2027) 7.3.3 Europe Virus Tracker Apps Market Size by Application (2016-2027) 7.4 Europe Virus Tracker Apps Market Size by Country 7.4.1 Europe Virus Tracker Apps Market Size by Country (2016-2021) 7.4.2 Europe Virus Tracker Apps Market Size by Country (2022-2027) 7.4.3 Germany 7.4.4 France 7.4.5 U.K. 7.4.6 Italy 7.4.7 Russia 7.4.8 Nordic 8 Asia-Pacific 8.1 Asia-Pacific Virus Tracker Apps Market Size (2016-2027) 8.2 Asia-Pacific Virus Tracker Apps Market Size by Type 8.2.1 Asia-Pacific Virus Tracker Apps Market Size by Type (2016-2021) 8.2.2 Asia-Pacific Virus Tracker Apps Market Size by Type (2022-2027) 8.2.3 Asia-Pacific Virus Tracker Apps Market Size by Type (2016-2027) 8.3 Asia-Pacific Virus Tracker Apps Market Size by Application 8.3.1 Asia-Pacific Virus Tracker Apps Market Size by Application (2016-2021) 8.3.2 Asia-Pacific Virus Tracker Apps Market Size by Application (2022-2027) 8.3.3 Asia-Pacific Virus Tracker Apps Market Size by Application (2016-2027) 8.4 Asia-Pacific Virus Tracker Apps Market Size by Region 8.4.1 Asia-Pacific Virus Tracker Apps Market Size by Region (2016-2021) 8.4.2 Asia-Pacific Virus Tracker Apps Market Size by Region (2022-2027) 8.4.3 China 8.4.4 Japan 8.4.5 South Korea 8.4.6 Southeast Asia 8.4.7 India 8.4.8 Australia 9 Latin America 9.1 Latin America Virus Tracker Apps Market Size (2016-2027) 9.2 Latin America Virus Tracker Apps Market Size by Type 9.2.1 Latin America Virus Tracker Apps Market Size by Type (2016-2021) 9.2.2 Latin America Virus Tracker Apps Market Size by Type (2022-2027) 9.2.3 Latin America Virus Tracker Apps Market Size by Type (2016-2027) 9.3 Latin America Virus Tracker Apps Market Size by Application 9.3.1 Latin America Virus Tracker Apps Market Size by Application (2016-2021) 9.3.2 Latin America Virus Tracker Apps Market Size by Application (2022-2027) 9.3.3 Latin America Virus Tracker Apps Market Size by Application (2016-2027) 9.4 Latin America Virus Tracker Apps Market Size by Country 9.4.1 Latin America Virus Tracker Apps Market Size by Country (2016-2021) 9.4.2 Latin America Virus Tracker Apps Market Size by Country (2022-2027) 9.4.3 Mexico 9.4.4 Brazil 10 Middle East & Africa 10.1 Middle East & Africa Virus Tracker Apps Market Size (2016-2027) 10.2 Middle East & Africa Virus Tracker Apps Market Size by Type 10.2.1 Middle East & Africa Virus Tracker Apps Market Size by Type (2016-2021) 10.2.2 Middle East & Africa Virus Tracker Apps Market Size by Type (2022-2027) 10.2.3 Middle East & Africa Virus Tracker Apps Market Size by Type (2016-2027) 10.3 Middle East & Africa Virus Tracker Apps Market Size by Application 10.3.1 Middle East & Africa Virus Tracker Apps Market Size by Application (2016-2021) 10.3.2 Middle East & Africa Virus Tracker Apps Market Size by Application (2022-2027) 10.3.3 Middle East & Africa Virus Tracker Apps Market Size by Application (2016-2027) 10.4 Middle East & Africa Virus Tracker Apps Market Size by Country 10.4.1 Middle East & Africa Virus Tracker Apps Market Size by Country (2016-2021) 10.4.2 Middle East & Africa Virus Tracker Apps Market Size by Country (2022-2027) 10.4.3 Turkey 10.4.4 Saudi Arabia 10.4.5 UAE 11 Key Players Profiles 11.1 QuantUrban 11.1.1 QuantUrban Company Details 11.1.2 QuantUrban Business Overview 11.1.3 QuantUrban Virus Tracker Apps Introduction 11.1.4 QuantUrban Revenue in Virus Tracker Apps Business (2016-2021) 11.1.5 QuantUrban Recent Development 11.2 HealthLynked Corp 11.2.1 HealthLynked Corp Company Details 11.2.2 HealthLynked Corp Business Overview 11.2.3 HealthLynked Corp Virus Tracker Apps Introduction 11.2.4 HealthLynked Corp Revenue in Virus Tracker Apps Business (2016-2021) 11.2.5 HealthLynked Corp Recent Development 11.3 B-Secur 11.3.1 B-Secur Company Details 11.3.2 B-Secur Business Overview 11.3.3 B-Secur Virus Tracker Apps Introduction 11.3.4 B-Secur Revenue in Virus Tracker Apps Business (2016-2021) 11.3.5 B-Secur Recent Development 11.4 Unbound 11.4.1 Unbound Company Details 11.4.2 Unbound Business Overview 11.4.3 Unbound Virus Tracker Apps Introduction 11.4.4 Unbound Revenue in Virus Tracker Apps Business (2016-2021) 11.4.5 Unbound Recent Development 11.5 Baidu 11.5.1 Baidu Company Details 11.5.2 Baidu Business Overview 11.5.3 Baidu Virus Tracker Apps Introduction 11.5.4 Baidu Revenue in Virus Tracker Apps Business (2016-2021) 11.5.5 Baidu Recent Development 11.6 Alibaba 11.6.1 Alibaba Company Details 11.6.2 Alibaba Business Overview 11.6.3 Alibaba Virus Tracker Apps Introduction 11.6.4 Alibaba Revenue in Virus Tracker Apps Business (2016-2021) 11.6.5 Alibaba Recent Development 11.7 CETC 11.7.1 CETC Company Details 11.7.2 CETC Business Overview 11.7.3 CETC Virus Tracker Apps Introduction 11.7.4 CETC Revenue in Virus Tracker Apps Business (2016-2021) 11.7.5 CETC Recent Development 11.8 Tencent 11.8.1 Tencent Company Details 11.8.2 Tencent Business Overview 11.8.3 Tencent Virus Tracker Apps Introduction 11.8.4 Tencent Revenue in Virus Tracker Apps Business (2016-2021) 11.8.5 Tencent Recent Development 12 Analyst's Viewpoints/Conclusions 13 Appendix 13.1 Research Methodology 13.1.1 Methodology/Research Approach 13.1.2 Data Source 13.2 Disclaimer 13.3 Author Details

List of Tables Table 1. Global Virus Tracker Apps Market Size Growth Rate by Type (US$ Million):2016 VS 2021 VS 2027 Table 2. Key Players of Health Status QR Code Table 3. Key Players of Exposure Risk Assessment Table 4. Key Players of Infection Trace Table 5. Global Virus Tracker Apps Market Size Growth by Application (US$ Million): 2016 VS 2021 VS 2027 Table 6. Global Virus Tracker Apps Market Size by Regions (US$ Million): 2016 VS 2021 VS 2027 Table 7. Global Virus Tracker Apps Market Size by Regions (2016-2021) & (US$ Million) Table 8. Global Virus Tracker Apps Market Share by Regions (2016-2021) Table 9. Global Virus Tracker Apps Forecasted Market Size by Regions (2022-2027) & (US$ Million) Table 10. Global Virus Tracker Apps Market Share by Regions (2022-2027) Table 11. Virus Tracker Apps Market Trends Table 12. Virus Tracker Apps Market Drivers Table 13. Virus Tracker Apps Market Challenges Table 14. Virus Tracker Apps Market Restraints Table 15. Global Virus Tracker Apps Revenue by Players (2016-2021) & (US$ Million) Table 16. Global Virus Tracker Apps Market Share by Players (2016-2021) Table 17. Global Top Virus Tracker Apps Players by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Virus Tracker Apps as of 2020) Table 18. Ranking of Global Top Virus Tracker Apps Companies by Revenue (US$ Million) in 2020 Table 19. Global 5 Largest Players Market Share by Virus Tracker Apps Revenue (CR5 and HHI) & (2016-2021) Table 20. Key Players Headquarters and Area Served Table 21. Key Players Virus Tracker Apps Product Solution and Service Table 22. Date of Enter into Virus Tracker Apps Market Table 23. Mergers & Acquisitions, Expansion Plans Table 24. Global Virus Tracker Apps Market Size by Type (2016-2021) (US$ Million) Table 25. Global Virus Tracker Apps Revenue Market Share by Type (2016-2021) Table 26. Global Virus Tracker Apps Forecasted Market Size by Type (2022-2027) (US$ Million) Table 27. Global Virus Tracker Apps Revenue Market Share by Type (2022-2027) & (US$ Million) Table 28. Global Virus Tracker Apps Market Size Share by Application (2016-2021) & (US$ Million) Table 29. Global Virus Tracker Apps Revenue Market Share by Application (2016-2021) Table 30. Global Virus Tracker Apps Forecasted Market Size by Application (2022-2027) (US$ Million) Table 31. Global Virus Tracker Apps Revenue Market Share by Application (2022-2027) & (US$ Million) Table 32. North America Virus Tracker Apps Market Size by Type (2016-2021) (US$ Million) Table 33. North America Virus Tracker Apps Market Size by Type (2022-2027) & (US$ Million) Table 34. North America Virus Tracker Apps Market Size by Application (2016-2021) (US$ Million) Table 35. North America Virus Tracker Apps Market Size by Application (2022-2027) & (US$ Million) Table 36. North America Virus Tracker Apps Market Size by Country (2016-2021) & (US$ Million) Table 37. North America Virus Tracker Apps Market Size by Country (2022-2027) & (US$ Million) Table 38. Europe Virus Tracker Apps Market Size by Type (2016-2021) (US$ Million) Table 39. Europe Virus Tracker Apps Market Size by Type (2022-2027) & (US$ Million) Table 40. Europe Virus Tracker Apps Market Size by Application (2016-2021) (US$ Million) Table 41. Europe Virus Tracker Apps Market Size by Application (2022-2027) & (US$ Million) Table 42. Europe Virus Tracker Apps Market Size by Country (2016-2021) & (US$ Million) Table 43. Europe Virus Tracker Apps Market Size by Country (2022-2027) & (US$ Million) Table 44. Asia-Pacific Virus Tracker Apps Market Size by Type (2016-2021) (US$ Million) Table 45. Asia-Pacific Virus Tracker Apps Market Size by Type (2022-2027) & (US$ Million) Table 46. Asia-Pacific Virus Tracker Apps Market Size by Application (2016-2021) (US$ Million) Table 47. Asia-Pacific Virus Tracker Apps Market Size by Application (2022-2027) & (US$ Million) Table 48. Asia-Pacific Virus Tracker Apps Market Size by Region (2016-2021) & (US$ Million) Table 49. Asia-Pacific Virus Tracker Apps Market Size by Region (2022-2027) & (US$ Million) Table 50. Latin America Virus Tracker Apps Market Size by Type (2016-2021) (US$ Million) Table 51. Latin America Virus Tracker Apps Market Size by Type (2022-2027) & (US$ Million) Table 52. Latin America Virus Tracker Apps Market Size by Application (2016-2021) (US$ Million) Table 53. Latin America Virus Tracker Apps Market Size by Application (2022-2027) & (US$ Million) Table 54. Latin America Virus Tracker Apps Market Size by Country (2016-2021) & (US$ Million) Table 55. Latin America Virus Tracker Apps Market Size by Country (2022-2027) & (US$ Million) Table 56. Middle East & Africa Virus Tracker Apps Market Size by Type (2016-2021) (US$ Million) Table 57. Middle East & Africa Virus Tracker Apps Market Size by Type (2022-2027) & (US$ Million) Table 58. Middle East & Africa Virus Tracker Apps Market Size by Application (2016-2021) (US$ Million) Table 59. Middle East & Africa Virus Tracker Apps Market Size by Application (2022-2027) & (US$ Million) Table 60. Middle East & Africa Virus Tracker Apps Market Size by Country (2016-2021) & (US$ Million) Table 61. Middle East & Africa Virus Tracker Apps Market Size by Country (2022-2027) & (US$ Million) Table 62. QuantUrban Company Details Table 63. QuantUrban Business Overview Table 64. QuantUrban Virus Tracker Apps Product Table 65. QuantUrban Revenue in Virus Tracker Apps Business (2016-2021) & (US$ Million) Table 66. QuantUrban Recent Development Table 67. HealthLynked Corp Company Details Table 68. HealthLynked Corp Business Overview Table 69. HealthLynked Corp Virus Tracker Apps Product Table 70. HealthLynked Corp Revenue in Virus Tracker Apps Business (2016-2021) & (US$ Million) Table 71. HealthLynked Corp Recent Development Table 72. B-Secur Company Details Table 73. B-Secur Business Overview Table 74. B-Secur Virus Tracker Apps Product Table 75. B-Secur Revenue in Virus Tracker Apps Business (2016-2021) & (US$ Million) Table 76. B-Secur Recent Development Table 77. Unbound Company Details Table 78. Unbound Business Overview Table 79. Unbound Virus Tracker Apps Product Table 80. Unbound Revenue in Virus Tracker Apps Business (2016-2021) & (US$ Million) Table 81. Unbound Recent Development Table 82. Baidu Company Details Table 83. Baidu Business Overview Table 84. Baidu Virus Tracker Apps Product Table 85. Baidu Revenue in Virus Tracker Apps Business (2016-2021) & (US$ Million) Table 86. Baidu Recent Development Table 87. Alibaba Company Details Table 88. Alibaba Business Overview Table 89. Alibaba Virus Tracker Apps Product Table 90. Alibaba Revenue in Virus Tracker Apps Business (2016-2021) & (US$ Million) Table 91. Alibaba Recent Development Table 92. CETC Company Details Table 93. CETC Business Overview Table 94. CETC Virus Tracker Apps Product Table 95. CETC Revenue in Virus Tracker Apps Business (2016-2021) & (US$ Million) Table 96. CETC Recent Development Table 97. Tencent Company Details Table 98. Tencent Business Overview Table 99. Tencent Revenue in Virus Tracker Apps Business (2016-2021) & (US$ Million) Table 100. Tencent Recent Development Table 101. Research Programs/Design for This Report Table 102. Key Data Information from Secondary Sources Table 103. Key Data Information from Primary Sources List of Figures Figure 1. Global Virus Tracker Apps Market Share by Type: 2020 VS 2027 Figure 2. Health Status QR Code Features Figure 3. Exposure Risk Assessment Features Figure 4. Infection Trace Features Figure 5. Global Virus Tracker Apps Market Share by Application: 2020 VS 2027 Figure 6. Hospital Case Studies Figure 7. Clinic Case Studies Figure 8. Household Case Studies Figure 9. Other Case Studies Figure 10. Virus Tracker Apps Report Years Considered Figure 11. Global Virus Tracker Apps Market Size (US$ Million), Year-over-Year: 2016-2027 Figure 12. Global Virus Tracker Apps Market Size (US$ Million), 2016 VS 2021 VS 2027 Figure 13. Global Virus Tracker Apps Market Share by Regions: 2020 VS 2027 Figure 14. Global Virus Tracker Apps Market Share by Regions (2022-2027) Figure 15. Global Virus Tracker Apps Market Share by Players in 2020 Figure 16. Global Top Virus Tracker Apps Players by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Virus Tracker Apps as of 2020 Figure 17. The Top 10 and 5 Players Market Share by Virus Tracker Apps Revenue in 2020 Figure 18. Global Virus Tracker Apps Revenue Market Share by Type (2016-2021) Figure 19. Global Virus Tracker Apps Revenue Market Share by Type (2022-2027) Figure 20. North America Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 21. North America Virus Tracker Apps Market Share by Type (2016-2027) Figure 22. North America Virus Tracker Apps Market Share by Application (2016-2027) Figure 23. North America Virus Tracker Apps Market Share by Country (2016-2027) Figure 24. United States Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 25. Canada Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 26. Europe Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 27. Europe Virus Tracker Apps Market Share by Type (2016-2027) Figure 28. Europe Virus Tracker Apps Market Share by Application (2016-2027) Figure 29. Europe Virus Tracker Apps Market Share by Country (2016-2027) Figure 30. Germany Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 31. France Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 32. U.K. Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 33. Italy Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 34. Russia Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 35. Nordic Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 36. Asia-Pacific Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 37. Asia-Pacific Virus Tracker Apps Market Share by Type (2016-2027) Figure 38. Asia-Pacific Virus Tracker Apps Market Share by Application (2016-2027) Figure 39. Asia-Pacific Virus Tracker Apps Market Share by Region (2016-2027) Figure 40. China Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 41. Japan Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 42. South Korea Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 43. Southeast Asia Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 44. India Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 45. Australia Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 46. Latin America Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 47. Latin America Virus Tracker Apps Market Share by Type (2016-2027) Figure 48. Latin America Virus Tracker Apps Market Share by Application (2016-2027) Figure 49. Latin America Virus Tracker Apps Market Share by Country (2016-2027) Figure 50. Mexico Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 51. Brazil Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 52. Middle East & Africa Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 53. Middle East & Africa Virus Tracker Apps Market Share by Type (2016-2027) Figure 54. Middle East & Africa Virus Tracker Apps Market Share by Application (2016-2027) Figure 55. Middle East & Africa Virus Tracker Apps Market Share by Country (2016-2027) Figure 56. Turkey Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 57. Saudi Arabia Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 58. UAE Virus Tracker Apps Market Size YoY Growth (2016-2027) & (US$ Million) Figure 59. QuantUrban Revenue Growth Rate in Virus Tracker Apps Business (2016-2021) Figure 60. HealthLynked Corp Revenue Growth Rate in Virus Tracker Apps Business (2016-2021) Figure 61. B-Secur Revenue Growth Rate in Virus Tracker Apps Business (2016-2021) Figure 62. Unbound Revenue Growth Rate in Virus Tracker Apps Business (2016-2021) Figure 63. Baidu Revenue Growth Rate in Virus Tracker Apps Business (2016-2021) Figure 64. Alibaba Revenue Growth Rate in Virus Tracker Apps Business (2016-2021) Figure 65. CETC Revenue Growth Rate in Virus Tracker Apps Business (2016-2021) Figure 66. Tencent Revenue Growth Rate in Virus Tracker Apps Business (2016-2021) Figure 67. Bottom-up and Top-down Approaches for This Report Figure 68. Data Triangulation Figure 69. Key Executives Interviewed

QuantUrban HealthLynked Corp B-Secur Unbound Baidu Alibaba CETC Tencent