Since 1994 ALU JELKA produced in the Slovak Republic for HE.WAL. About 130 employees work about 40 km away from Bratislava to passionate and working with aluminum. Day after day and always with a top performance. ALU JELKA produced on 2,300 square meters of production area for European markets.. DIN ISO 9001:2008. We have room for you, your project, your claim.