Calvin Dude is specialize in R&D and manufacturing fully automated assembly line for electronic equipment and industry manufacturing automation equipment's. Our products including automatic screw locking machine, automatic screw tightening machine, automatic screw feeder machine, Turbine air blowing automatic feeder, Coordinate machine, Automatic dispenser, Peristaltic dispenser, Automatic glue filling machine, Automatic soldering machine, Led production automation line and Electronic automation assembly.