The Semco-Procknor mechanical circulators for vacuum pans were developed based on the know-how of Semco and Procknor Engenharia, with the specific objective of optimizing the processes of both sugar and ethanol production, ensuring increased productivity of the plants. Since 1995, the partnership between the companies Semco and Procknor has been producing representative results in the sugar cane industry. Countless pieces of equipment are provided with full client satisfaction.