Swiss-based sia Abrasives, a Bosch subsidiary, has begun expanding its facility in the Goleniów Industrial Park in northwestern Poland. “After the expansion, sia Abrasives will become the third-largest employer in the Goleniów Industrial Park (GPP), employing some 400 people,” Pawel Bartoszewski, GPP advisor to Goleniów’s mayor, told PAP. Currently, the company employs 140 people. The…