WILEY-VCH GmbH
Wiley-VCH publishes monographs, textbooks, major references works and journals in print or online. Wiley-VCH can look back on over 80 years of publishing in chemistry, materials sciences, physics and the life sciences.
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Wiley-VCH publishes monographs, textbooks, major references works and journals in print or online. Wiley-VCH can look back on over 80 years of publishing in chemistry, materials sciences, physics and the life sciences.

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Since 1964, the SCHMITT has been one of the leading suppliers for highly specialized industrial pumps for corrosive, hazardous and highly pure media for volume flow rates up to 580 l/min [35 m3/h] [150 US-gpm] and delivery heads up to 40 m [131 ft].
Beijing Risun Science and Technologies Limited (hereinafter referred to as "Risun Technology") was established in 2011, with new materials, low-carbon chemicals, fine chemicals, special catalytic materials as the research and development d