CL MACHINERY GMBH, formerly ALCOA Maschinenbau, located in Viernheim, is a global manufacturer and supplier of closure technology. The CSI product range includes capping equipment, sorting technology for caps and decappers for a wide range of packaging concepts. As a specialist in closure application, CSI offers solutions for processing aluminium roll-on caps (e.g. Talog, 5SE, Stelvin, LongCaps, pourers), plastic screw caps, MaxiCrown caps/ring pulls, synthetic corks, twist-off caps, press-on caps, StelvinLux, etc. for a wide range of market segments. These include the drinks industry, breweries, wine and sparkling wine bottling plants, mineral springs, the food processing industry, the chemical and pharmaceutical industries as well as the aerosol market segment (spray cans). Here, CSI provides closures for both glass and plastic bottles along with aluminium bottles and spray cans (aluminium/steel).