Ronningen-Petter has acquired Groupe Aoustin of Nanterre, France.

KALAMAZOO, MI — Ronningen-Petter, a supplier of liquid filtration equipment for industrial processes, has acquired Groupe Aoustin of Nanterre, France, a manufacturer of liquid filtration systems and specialty mixer-extruders. Ronningen-Petter specializes in micron filtration products, including bag, cartridge, media, and other devices for manufacturing coatings, adhesives, resins, and other products.