| Classification of Products (CZ-CPA_2025) - level 4 - Class | 
                    3821 | 
                    Materials recovery services and secondary raw materials | 
                  
                
                  
                    | Classification of Products (CZ-CPA_2025) - level 6 - Sub-category | 
                    382121 | 
                    Secondary raw material of precious metals | 
                  
                
                  
                    | Classification of Products (CZ-CPA_2025) - level 6 - Sub-category | 
                    382122 | 
                    Secondary raw material of ferrous metals | 
                  
                
                  
                    | Classification of Products (CZ-CPA_2025) - level 6 - Sub-category | 
                    382123 | 
                    Secondary raw material of copper | 
                  
                
                  
                    | Classification of Products (CZ-CPA_2025) - level 6 - Sub-category | 
                    382124 | 
                    Secondary raw material of nickel | 
                  
                
                  
                    | Classification of Products (CZ-CPA_2025) - level 6 - Sub-category | 
                    382125 | 
                    Secondary raw material of aluminium | 
                  
                
                  
                    | Classification of Products (CZ-CPA_2025) - level 6 - Sub-category | 
                    382126 | 
                    Other metal secondary raw materials |