This model chain calibrating machine are full automatic
mechanical type calibrating machine,use the frequency controller to
adjust the machine working,use PLC to make full control and protection
of working process,can measuring and recording the chain loading force
and can print out the record,also have the function of chain link stamp
marking.This model chain calibrating machines are the best choice for
the high quality round link chain calibrating work. http://www.autoweldingmachine.com