Question: New Zealand DSJ class locomotive was first assembled by what company that produced diversified products like information technology and communications equipment and systems, electronic components and materials, power systems, industrial and social infrastructure systems, consumer electronics, household appliances, medical equipment, office equipment, as well as lighting and logistics.? 
Sentence (from "New Zealand DSJ class locomotive"): The first DSJ was assembled in Japan by Toshiba Heavy Industries, the same company who built the EO class electric locomotives.
Relevant evidence: Yes