A customized PET white square plant planting tray designed and molded by Rosinpack, paired with a high transparency dust-proof transparent cover, accurately adapts to 540 * 280mm standard trays, and is a high-end horticultural seedling solution that integrates environmental protection, durability, precise temperature control, and visual cultivation. Relying on 16 years of vacuum forming technology accumulation in the factory, using food grade PET material, the integrated molding structure is stable and recyclable.