Contact Us

We’re here to help!

Whether you have a question about our products, need assistance with an order, or just want to share your thoughts—we’d love to hear from you. At Koolivo, your satisfaction is our top priority, and we’re committed to providing you with the best service possible.

Before reaching out, be sure to check our FAQ page where we’ve answered many common questions regarding sizing, shipping, returns, and more. If you can’t find the information you need, feel free to contact us directly.

Customer Support Email:
📧 longtaibio@163.com

We aim to respond to all inquiries within 24–48 hours, Monday through Friday. Messages received on weekends or holidays will be answered the next business day.

When contacting us, please include as much relevant information as possible, such as your order number (if applicable), so we can assist you quickly and efficiently.

We appreciate your support and look forward to hearing from you!