Cocoa and Chocolate Processing Equipment | Royal Duyvis Wiener
About Royal Duyvis Wiener. Founded back in 1885 and headquartered in Koog aan de Zaan, the Netherlands, Royal Duyvis Wiener are one of the world's leading manufacturers within the global cocoa, chocolate and nuts seeds processing industry. Providing industrial solutions to the biggest companies in the market, Royal Duyvis Wiener supplies ...