Skip to content
lidengju.com
中文
中文

Knowledge and practice

A small thank-you

If this work has been useful, you can leave a small thank-you here.

Continue to PayPal↗

WeChat Pay

Scan
Original WeChat Pay payment QR image

Alipay

Scan
Original Alipay payment QR image
Viewing on your phone?

On this phone? Open the original image, then save it to Photos to scan in your payment app. You can also scan it from another device.

© 2026 Dengju Li Privacy