Exhibiting twice in Poland in March, Invertek Drives have just celebrated selling one million variable frequency drives, and said it seeks to further develop a growing market in the country. First the company will be exhibiting at the 15th anniversary edition of Forum Fan – Air Condiitoning Salon 2017, running from 7th-8th March, and second at Automaticon 2017, for the third year in a row, with both events being held in the country’s capital Warsaw.