Complex sentence: In February 2015, Polypipe acquired Surestop, a business producing an alternative product to the brass stopcock, and in August 2015 Polypipe acquired Nuaire, a ventilation systems manufacturer.
Split into simpler sentences: In February 2015, Polypipe acquired Surestop, a business producing an alternative product to the brass stopcock. In August 2015 Polypipe acquired Nuaire, a ventilation systems manufacturer.