Automatic Glue scraper General hot melt machine gun BSD-3570050 with a variety of brands, such as Nordson (Nordson), Le Baide, Dai Nutt, Wong still, Korea phalbok, and Taiwan Joseph billion Automatic scraping in the glue gun is not drawing, glue, adhesive thickness can be adjusted, Voltage: 220V 230V power: 100W, 150W: ni120, pt100,K