Based on this product's specifications, here are some alternatives and similar models
Spring Steel Plate Kit Creality SERMOON D3 (MPN 4004090098) — replaceable build plate for SERMOON D3
Summary description:
Replacement spring steel plate kit designed for the Creality SERMOON D3 3D printer (MPN 4004090098). The kit provides a flexible, magnetic-compatible build surface intended to simplify part removal and maintain flatness during printing. It is intended for use as a direct replacement or spare build plate for the SERMOON D3, improving workflow by easing object detachment and preserving the original bed dimensions.