Seed Grain Winnower Machine Wind Thrower Grain Winnowing Machine. Dual Drive System: Combines electric motor with hand drive for operation with or without electricity. Adjustable Wind Speed: Fan speed can be adjusted for thorough cleaning of various grains and impurities. Wide Grain Applicability: Suitable for cleaning wheat, rice, corn, beans, sunflower seeds, and many other crops. Compact and Portable: Small size and light weight (20kg) make it easy to move and operate in fields or homes. Low Power Consumption: Designed for high efficiency with minimal energy usage, ideal for small farmers. Customizable Design: OEM and ODM services available for custom colors, logos, and packaging designs. CE and ISO9001 Certified: Product meets international quality and safety standards for reliable performance. 1-Year Warranty: Comes with a 12-month guarantee period and 24-hour online technical support.