A rectangular black PS plastic hydroponic tray designed specifically for modern greenhouse planting, made of food grade polystyrene (PS) material, disposable and free of cleaning, with a thickness of up to 3.5mm, providing excellent structural stability and shading properties. Suitable for various seed cultivation, vegetable hydroponics, and soilless cultivation systems, it is an ideal choice for large-scale planting bases and seedling factories, helping to achieve efficient and low-cost green agricultural management.