Rainer Roten

TESTEX AG with headquarters in Zurich is a privately-organized, since 1846 global and independent Swiss testing and certification enterprise, focusing the textile sector. TESTEX has a subsidiary in Hong Kong and its own representative offices in Beijing, Shanghai, Seoul, Taipei, Kuala Lumpur, Jakarta, Melbourne, Dublin, Bandung and Vancouver. Its range of services extends from standard physical and chemical textile tests through residue and harmful substance analysis to factual investigation in cases of damage, consulting on environmental and quality issues, and special services such as organising round robin tests and on-site services. Their testing facilities are structured in such a way that they can make available a comprehensive range of tests for all textile raw materials, semi-finished and finished products. They are especially proud to be one of the few institutes in the world which is still able to test raw silk and silk products.

Part of Rieter Holding AG, SSM Schärer Schweiter Mettler AG is a Swiss company that engages in yarn processing, precision winding, and providing related services. The company is based in Horgen, Switzerland. Ernesto A. Maurer has been the CEO of the company since 2010. SSM Schärer Schweiter Mettler was acquired by Rieter Holding AG from Schweiter Technologies AG on July 03, 2017, for $129.69 million.