Contact Tsai Electro for questions about our digital study products, an existing purchase, account access, downloads, or an error in a question or explanation.
Email tsaielectro0628@gmail.com. You may write in English or Traditional Chinese. Typically, we reply within 24–48 hours (UTC+8). If your message arrives on a weekend or public holiday, we’ll respond the next business day.
Product and Purchase Support
- The product name and its page URL.
- For an existing purchase, your order number and the email used at checkout.
- For an access or download issue, the error message and your browser or device.
- For a question correction, the question ID, explanation, and relevant official source.
Please do not send passwords, payment card numbers, or identity documents. If you attach a screenshot, hide unrelated personal or payment details.
Refunds and Older Purchases
Our refund policy covers existing purchases, including products that have since been retired. Contact us with your order number if you need help with access or a refund request. Product support concerns the study materials and your purchase.
Education and Electrical Safety
Tsai Electro provides exam-prep education and digital study resources. We do not provide site-specific engineering design, wiring instructions, inspections, or personalized electrical troubleshooting through this contact page. For a real electrical hazard, keep away from the affected equipment and contact a qualified local electrician or emergency service.
Media and Collaboration
For media or educational collaboration, include your organization, topic, page or channel URL, and proposed timeline. Read our About page and Privacy Policy for background and how we handle data.
For product partnership enquiries, use the Product Partner Program Application.
Seller information
| Business name | Sustainable Firm |
|---|---|
| Unified business number | 91233035 |
| Responsible person | Tsai Yu-Hsuan |
| Address | No. 1, Ln. 35, Ziyou St., Sanchong Dist., New Taipei City 241, Taiwan (R.O.C.) |
| hello@tsaielectro.com |
