Quality - Responsibility - Ethics - Sharing.
- Quality: TTD members always consider safety and improve the quality of their products as the highest job.
- Responsibility: TTD members always appreciate the sense of responsibility within, with customers and in society; conscious of preserving the environment.
- Ethics: TTD always obeys the law, respects and implements the legitimate rights of employees and a sense of sustainable development.
- Sharing: TTD is always interested in caring, improving the lives of employees and sharing social welfare.
