Two ProductsProducts
A complete survey toolchain spanning online surveys and offline face-to-face interviewing.
TLSUN Online Survey System
An online survey tool built for large, complex social surveys and market research. Ideal for research institutions, universities, and market research firms that need to handle complex question types and logic while enforcing strict quota management.
- Paper-like questionnaire layout — complex questions stay intact
- Excel sample import
- Custom composite-variable quota management
- SPSS / Excel / CSV data export
TLSUN CAPI System
An offline survey platform that lets interviewers run face-to-face interviews without a network connection, with full-process management and quality control. Ideal for door-to-door and intercept interview projects.
- Paper-like questionnaire interface
- Three-tier data backup
- Audio recording & GPS quality-control checks
- Long-term support for the Chinese Social Survey (CSS) and other large projects
Our AdvantagesAdvantages
Paper-like questionnaires
Built for complex mid- and large-scale online surveys; complex question types are never split apart and all the logic you need is preserved.
High flexibility
Excel sample import, access-control variables, quota management, and appearance settings — customizable on demand.
End-to-end quality control
Audio recording and GPS location checks for face-to-face surveys, plus three-tier data backup for security.
Full-featured
Create projects, design questionnaires, publish surveys, run statistical analysis, and export data — the whole workflow in one place.
Data export
Export to SPSS, Excel, and CSV — compatible with mainstream statistical analysis tools.
Responsive support
Custom development for premium clients, free complex-questionnaire design, and 1-on-1 service.
Case StudiesCases
Long-term service to national-level large-scale surveys — proven by results.
Chinese Social Survey (CSS)
A national-level large-scale social survey we have served for years.
Panel Study of Chinese University Students (PSCUS)
A large-scale longitudinal panel survey.
China Rural Revitalization Survey (CRRS)
A comprehensive survey in the field of rural revitalization.
Completed surveys include 250,000 questionnaires across primary, secondary and university students and young workers; 40,000 questionnaires for the longitudinal survey of contemporary Chinese youth; 100,000 samples for the provincial university faculty-and-student survey; and 10,000 samples for the China Public Opinion Index Survey. View all case studies →