Mink is divided into grades, the highest grade is purple gold velvet, followed by platinum, purple gold skin shiny and shiny, soft and delicate fur, mink longer, thicker and brighter.
The mink is a weasel, weasel genus animals, is included in China's endangered and protected animals database, native to Canada, the United States. It is good at swimming and diving, living in holes or rock crevices along the banks of streams, nocturnal, feeding on small rodents, but also eating mole crickets, frogs and so on.