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kollo
kollo

kollo silicon carbide bv (netherlands), esk-sic gmbh (germany),
kollo silicon carbide bv (paesi bassi), esk-sic gmbh (germania),

only the former is producing and processing the crude sic, the latter one further processes sic produced by kollo silicon carbide bv but the final product remains the like product.
soltanto la prima produce e trasforma il sic grezzo, la seconda trasforma il sic prodotto da kollo silicon carbide bv, ma il prodotto finale resta lo stesso.

kollo silicon carbide bv (netherlands), with its related company esk-sic gmbh (germany),
kollo silicon carbide bv (paesi bassi), con la società collegata esk-sic gmbh (germania),