We R&D the dark spots picking machine independently, fully automatic instead of manual work, it's easy to operate and efficient. Automatic feeding, automatic picking, strong and clean design. Hightech image identification, unique technology, dark spots picking efficiently, also work with feather and clusters down. Automatic process, undamaged down, assured quality, enclosed space, no pollution. Different packing ways for white and dark down, automatic packing, dark down can be recycled and reused. Fully automatic operation, work for 24hours a day, produce 8-10kg by hour with 2 cameras, reduce Dark spots rate below 1/‰. Customization for different requirements, warranty for one year. Return investment within 6 months, improve economic benefit.