... machine 2: National patent 3:high speed and low noise,strong stability 4: suit coats,cotton jack,ect DK-90 Fully automatic ... jeans snap button fastening machine Application:The machine is applicable to the ... mold.For other sizes,custom-made.Fully automatic bolster mold feeding(buttons), one-stop punch ... Technical Parameters: DK-90 Fully automatic rivet button attaching machine