Project Achievements
Years of experience in geotechnical engineering
Accurate data, rigorous analysis, and stable quality
Telephone: 06-2671175
Fax: 06-2671150
Email: riyanggeo@gmail.com
Address: No. 228, Wannian 3rd Street, South District, Tainan City
Business hours: Monday to Friday 08:30~17:30
Unified Number: 59419924
Years of experience in geotechnical engineering
Accurate data, rigorous analysis, and stable quality
Telephone: 06-2671175
Email: riyanggeo@gmail.com
Business hours: Monday to Friday, 08:30 - 17:30
LINE ID:riyanggeo
Telephone: 06-2671175
Email: riyanggeo@gmail.com
Business hours: Monday to Friday, 08:30 - 17:30
LINE ID:riyanggeo
© 2025 Ri Yang Geotechnical Engineering Co., Ltd. All rights reserved.
This website is built and maintained by JM Management Consulting.
© 2025 Riyang Dadi Co., Ltd. All rights reserved. This website is built and maintained by Qifei Management Consulting.