For over 40 years, Proper Group International has been committed to industry leadership and our clients' success. That's The Proper Way. GET IN TOUCH

We've come a long way from our first 2,000 square foot moldmaking facility in Warren, Michigan...

With a superior life-cycle strategy, our tooling division sets the industry standard for production programs...

Our state of the art facility in Anderson, South Carolina manufactures industry leading plastic components for exterior and interior trim...
Krauss Maffei & Proper Group International Tech Day, May 23rd, 2012
Special Highlight: Skinform - running KM 200 ton machine
Technology HIghlights: injection molding compounding, cover form, fiber form, color form, spin form
9a-1p including lunch. For further details click here
One-Step SkinForm Process went live at NPE2012:
Krauss Maffei demonstrated its SkinForm process on a CX 200-1400 hybrid injection molding machine coupled wtih a RimStar hybrid mixing and metering system for the ployurethane. That pairing targets automotive applications. Click here to read the article
April 2012: NPE Show
Proper Group International will be showcasing its advanced tooling technologies at the NPE Show in Oralndo, FL, April 1-5, 2012.
Krauss Maffei booth #1503, Proper will be the first North American manufacturer on the Skin Form tool that will be on display.
Trexel's booth #1303, Proper will have an injection mold which combines Mucell's foaming technology, along with Variotherm (rapdi heat & cooling), technology and Synventive's E-gate, valve gate technology.