Automatic fish mask nail welding valve is a fully automatic machine for the production of folding mask production line, the use of ultrasonic technology, 3 ~ 6 layers of PP non-woven fabric, activated carbon filter and filter materials and other parts for welding. The whole set of equipment through non-woven fabric, welding, folding forming, rolling cutting, conveying, welding valve, ear belt nail, slicing and other integrated automatic folding production process, can process 3M 9001, 9002 and other folding masks. According to the product needs of the selected raw materials can be produced to meet the different standards such as FFP2, FFP3, N95 masks, automatic production of finished products.