Copyright and Image Licensing
All field photographs, content and media on this website are the intellectual property of SPN Soil Engineering Co., Ltd.
Copyright owner
© 2026 SPN Soil Engineering Co., Ltd. All rights reserved. All photographs of soil investigation, soil testing and pile testing work on this website were taken by and are the property of the company.
Terms of use
Permitted
Academic or educational reference, provided the source is credited as "SPN Soil Engineering" with a link back to this website.
Not permitted
Commercial use, modification or commercial redistribution of images without written permission.
Credit
Every use must clearly carry the credit "© SPN Soil Engineering Co., Ltd."
Requesting permission
To use images or content for any purpose other than those stated above, please contact the company in advance via our Contact page, by phone at +66 64 746 9601 or by email at info@spnth.com