Dynatool Industries | About us From Concept to Production Dynatool is your integration & solutions provider.. Dynatool has developed an expertise in producing Rheocastings and die castings, offering heat treatment, machining and su From Concept to Production Dynatool is your integration & solutions provider.. Dynatool has developed an expertise in producing Rheocastings and die castings, offering heat treatment, machining and surface treatments, managing complex mechanical assemblies, components and complete systems.