Identifying the source of your supplied metals is the main purpose of Conflict Minerals Compliance. A Smelter is the first stop for raw materials once they have been mined or recycled by the provider.
The first airplane to take flight was built by the Wright brothers  in Ohio USA and was transported first to North Carolina and flown  for its first time there.
The Wright brothers built and flew their plane only after years of trial, error, and hard work. From the early twentieth century to the present, every single airplane ever built includes something first created by the Wright brothers.