Rongcheng Steel Plant, ultra-clean operation room.
A Magic Breaking Sword lay on the operation table, taking the place of the former heavy machine gun barrel.
Jiang Ding maneuvered the mechanical arm, carefully engraving a First-Order Great Sun Spirit Gathering Array and a Special Sharp Gold Array onto this Magic Breaking Sword that had been with him for a long time.
In the melting pool was not the mass-produced molten metal with only a small amount of spirit metal added by the factory.
Instead, it was the Spirit Iron he extracted from a Spirit Iron Mine obtained from Jindaobieyuan after consulting many master craftsmen and adding some auxiliary materials.
In the steel plant, there was no shortage of other things, and finding small equipment for processing ore was simple.
Furthermore, students on internships do have certain permissions to use a small amount of materials for personal use, so this was not against the rules.
Twenty minutes later,
