Complex sentence: The company is one of the largest pottery manufacturers based entirely in the UK, with most of its products made in its factory in the city of Stoke-on-Trent, England, with some products being made in Poland.
Split into simpler sentences: The company is one of the largest pottery manufacturers based entirely in the UK. Most of its products are made in its factory in the city of Stoke-on-Trent, England, while others are produced in Poland.