About us

A geological professional team that combines speed and quality

Company Profile

Established in 2017, Ri Yang Geotechnical Engineering Co., Ltd. specializes in geological surveys and geodetic engineering analysis services.

 "Riyang" symbolizes the rising sun and its power to illuminate the earth, representing our commitment to serving clients with professional expertise, a down-to-earth attitude, and warmth. We have extensive experience in public works, photovoltaic projects, residential and industrial construction throughout Taiwan, using precise data and rigorous processes to help owners ensure foundation safety and reduce project risks.

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Business Philosophy

The Chinese character "日陽" originally means the rising sun, shining on the earth like sunlight, bringing warmth and hope.


We sell "professionalism, service, and integrity." Upholding a professional and conscientious attitude, we continuously innovate and improve, and are committed to providing comprehensive geological surveys, geotechnical analysis, and engineering consulting services to help clients establish a safe and solid foundation for various infrastructure and development projects.


The professional and excellent Riyang team provides fast and high-quality services, and can start drilling services within seven days after receiving your service request.

Professional strength and technical advantages

Rich geological survey experience

Having accumulated numerous public works and private construction projects, he is familiar with the geological characteristics of various regions throughout Taiwan.

Multivariate testing and analysis capabilities

It possesses a variety of technologies, including ground resistance testing, soil liquefaction analysis, and pile load testing.

Precision Instruments and Quality Control

High-specification instruments and rigorous testing procedures are used throughout the process to ensure data accuracy.

Professional team and technician supervision

Our team members possess professional certifications and years of practical experience, providing reliable interpretations.

Continuous innovation, continuous progress, and dedication to serving customers.

Service Process

1. Needs Consultation

Understand the project requirements and site conditions, conduct a preliminary assessment of the necessary tests and investigations, and provide professional advice to help identify the most suitable operational direction.

2. On-site assessment and work planning

Engineers conduct on-site surveys to confirm drilling and testing locations, plan appropriate procedures based on local conditions, and provide preliminary estimates for the owner's reference.

3. Quotation and Contract Signing

A formal quotation will be submitted based on the assessment results, clearly listing the scope of work and costs; after confirmation by both parties, a contract will be signed to guarantee the scope and quality of the work.

4. Geological drilling and field testing

According to the plan, drilling, geoelectric resistance and liquefaction analysis and other tests will be carried out to obtain representative strata and data as the basis for subsequent design and evaluation.

5. Data Analysis and Results Report

Organize test data and conduct geological analysis, compile complete results and engineering reports, and assist the owner in understanding the foundation conditions and making engineering decisions.

6. Case closure and settlement of fees

Upon completion of the final report, delivery and final payment will be made in accordance with the contract, and necessary follow-up technical consultation and data archiving services will be provided.

Frequently Asked Questions

  • How can I request a quote?

    Please provide

    1. Expected land parcel number
    2. Project purpose (detached house, factory, etc.)
    3. Number of floors
    4. Whether there is a basement
    5. Expected number of boreholes

    A floor plan would be best if available.

  • How long will the construction project take?

    After receiving the quotation feedback, we will mobilize personnel to begin construction within 7 days; testing and report preparation will take approximately 3-4 weeks, and the entire project will take at least one month to complete (depending on the number of holes).

  • What is the payment method?

    Payment can be made by bank transfer or check.

Laying a solid foundation starts with geology.

Please contact us immediately!

Official LINE Inquiry

Telephone: 06-2671175

Email: riyanggeo@gmail.com

Business hours: Monday to Friday, 08:30 - 17:30

LINE ID:riyanggeo

Laying a solid foundation starts with geology.

Please contact us immediately.

Official LINE Inquiry

Telephone: 06-2671175

Email: riyanggeo@gmail.com

Business hours: Monday to Friday, 08:30 - 17:30

LINE ID:riyanggeo