... 3000-5000 heat treatment electric furnaces, 145 common lathes, 4 numerical-control lathes, two CX6020-C standing lathes, and nineteen C516A ... , one 2500, one 3500, and ten 4000 numerical-control lathes, and two 5000 numerical-control lathes; five DVP500*25/32 lathes, and ...