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Our solutions are deployed around the world in research, development, production and qualityassurance of numerous products. Our experts from 22 companies are at your service in 15 countries,ready to provide support to ensure high operational reliability of your systems.Weiss Umwelttechnik is one of the most innovative and significant manufacturers of environmentalsimulation systems.
Weiss Umwelttechnik is one of the most innovative and significant manufacturers of environmental simulation systems. With these testing systems, we can simulate all climatic conditions around the globe and beyond, under accelerated conditions. Whether temperature, climate, corrosion, dust or combined shock testing: We have the proper solution. We supply systems in all sizes, from standard versions up to customised, process-integrated facilities – for high reproducibility and precise test results.

Company Profile
Simplewell Technology is specialized in the research design and manufacturing of all kinds of Environment Simulation Test Chambers. Such as,VOC Emission Test Chamber, Formaldehyde Emission Test Equipment,Test Chamber for Automotive Interior and Whole Vehicle,and other Stability&Environment Simulation Test Systems.
Application
Our chambers and equipment provides various testing standards, such as GB,GJB,IEC,ISO,ML,DIN and CE. The “simplewell ”assures that the samples and products are compliant with different manufacture requirements。 Our chambers are mainly applied in institutes, R&D organization,aviation,military projects,electronics,electronical,toys,furniture,hardware,papermaking,batteries,photo-electricity,communications,automobiles,agriculture and more.
Management
We adopt scientific management mode and philosophy in every step of the product development,manufacture,quality control, customer service,and technical support. Our company has passed has passed TUV:ISO 9001:2008 certificate and VDA6.4:2005 quality management system standards, and also won many invention patents in China, U.S.,Japan,Europe,etc.
On the road going ahead, we will never stop the striving forward, and also continuously do one thing in our life which is to offer high-quality equipment and chambers.

Thermotron employs the largest application, service, and design engineering staff in its industry. We strive to exceed our customers’ expectations by identifying customer needs, producing superior testing equipment, and offering comprehensive service. We pride ourselves on being a single-source supplier to our customers, providing complete, sophisticated turnkey environmental test systems.
All Thermotron equipment is designed and manufactured at company headquarters in Holland, Michigan.

Weiss Technik North America takes great pride in providing equipment that has been designed and manufactured by some of the most experienced people in the industry.
Our strong and continuous growth pattern has been the result of a progressive management philosophy, providing quality equipment and an unequaled dedication to after sales support. We take great pride in being a leader in the industry. Developing new designs, utilizing the latest technology and implementing state-of-the-art manufacturing techniques will ensure our position in the industry.
Originally established in 1979 (as Envirotronics, Inc.) for the purpose of servicing environmental test chambers, Weiss Technik North America has become an industry leader in the design, manufacture, and modification of environmental test chambers for temperature, humidity, vibration, altitude, thermal shock, portable shock chambers, burn-in chambers, custom equipment, fluid chillers, air burn-in systems, SAE dust chambers, combustion air units, automotive test systems, drive-in chambers, conditioned rooms, and forced air ovens.
In February 2019 Weiss Technik North America acquired Cincinnati Sub Zero. CSZ, based in Cincinnati, Ohio is a leading provider of environmental test chambers. By combining forces, CSZ’s extensive standard product portfolio, in addition to Weiss Technik’s custom-made capabilities will cover all needs for all customers, across all budget levels, along with the global services and support they need, from Weiss Technik North America.
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Weiss Technik North America’s quality management system is registered to ISO 9001-2015 ANSI/ISO/ASQ Q9001-2015.
Weiss Technik North America is a member of the Weiss Technik group of companies, a division of the Schunk Group with its headquarters in Heuchelheim, Germany. Weiss Technik has over 50 years of experience in the manufacture of environmental test chambers and employs 1,700 people in 22 group companies in 15 countries worldwide.
Schunk was founded in 1913 and consists of 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. The Schunk Group has over 60 companies and locations in 29 countries. The Group employs about 9,000 people around the world. For more information about the Schunk-Group, please visit: ›www.schunk-group.com.
All equipment of Weiss Technik North America is manufactured in compliance with the appropriate military standards, ASTM specifications, or customer requirements. Its power panels are in compliance with UL508A First Edition dated April 25, 2001, NFPA79 requirements, and ETL labeled. Equipment shipping into Canada is certified to CAN/CSA C22.2 NO.14 and ETL labeled. Equipment shipping into the European markets, where applicable, has C.E. Declaration of Conformity certificates provided and is in compliance with European standards. When incorporated in equipment purchase specifications, our equipment is manufactured to conform to SEMI S2-0200, and SEMI S8-1000 guidelines.
Weiss Technik North America maintains a network of factory service centers in the US and Asia, and retains service contractors worldwide. Through these centers, Weiss Technik North America provides emergency service and repair, preventive maintenance contracts, spare and replacement parts, relocation services, and rebuilding or refurbishment of all makes of environmental test chambers. Weiss Technik North America is furthermore an ISO/IEC 17025-2005 Edition (A2LA) accredited calibration facility
We are committed to excellence in every aspect of our business, from our engineering capabilities and our customer service to our manufacturing processes and personnel.
Our Corporate Headquarters is located at 3881 N. Greenbrooke SE, Grand Rapids, Michigan 49512, USA, with additional location in Cincinnati, Ohio USA. These locations have both office and manufacturing space. Weiss Technik North America Grand Rapids is also located within minutes from the Gerald R. Ford International Airport.
Weiss Technik North America Statement on Equality and Diversity in the Workplace