Weiss Technik North America, Inc., based out of Grand Rapids, Michigan, with an additional facility located in Cincinnati, Ohio, is an established global leader in the sale, design, manufacture, and service of environmental test chambers. Serving the market with two product brands of Weiss Technik and Cincinnati Sub Zero (CSZ) gives customers a complete product portfolio that provide solutions for all their testing requirements. Test chambers provide stress conditions such as temperature, humidity, vibration, and altitude for product testing. Weiss Technik North America, Inc., is part of Weiss Umwelttechnik of Lindenstruth, Germany, a division of the Schunk Group of Heuchelsheim, Germany.Weiss Umwelttechnik has over 50 years of experience in the manufacture of environmental test chambers and employs 2,400 people in 22 group companies across Europe and in China.The Schunk-Group is a group of globally-active technology companies with a broad product and service spectrum in material technology and system engineering encompassing the areas of carbon technology and ceramics, environmental engineering and air conditioning, sinter metal technology, ultrasonics and enamel engineering. Ludwig Schunk and Karl Ebe established the company in 1913. The Schunk Group has over 60 companies and locations in 29 countries.