M D J Design Limited is your engineering design service in Aldermaston Reading, Berkshire. Our mechanical engineering design work includes a lot of parts creation for field of instrumentation. See how our tolerance and surface finishing can help your manufacturing needs. We will manage any engineering treatment and finishes that you need to complete your job. It is our intention to use our expertise to make your life as easy as possible. With MDJ Design parts finishing there is no need to be concerned about additional charges; we offer the service on a complimentary basis.