The price of screening machines can vary greatly depending on the manufacturer, type, size, and features of the machine. Generally, larger machines with more advanced features will be more expensive than smaller, basic models. For example, a basic circular vibrating screen can cost anywhere from a few thousand dollars to tens of thousands of dollars, depending on the size and materials used. A larger, more advanced screening machine like a rotary sifter or ultrasonic sieve can cost upwards of $50,000 or more. It's important to note that the price of the screening machine is just one aspect to consider when making a purchase decision. Other factors to consider include the machine's efficiency, durability, maintenance requirements, and overall value for your specific application. To get an accurate price quote for a screening machine, it's best to contact the manufacturer directly and provide them with details about your specific needs and requirements. They can then provide you with a customized quote based on your unique situation.