WARSAW, May 22 (Reuters) - Poland's KGHM, which is one of the world's biggest copper and silver producers, plans to invest more than 11 billion zlotys ($3.03 billion) in Poland from 2018-2022, it said on Tuesday.
The company also said it plans to reduce investment in oversees assets and focus on domestic operations.
($1 = 3.6342 zlotys)
(Reporting by Agnieszka Barteczko; Editing by David Goodman)