| 
              1
             |   
              EXTINTOR HIPERBARICO VACIO
             |  
                CHINA RAILWAY TUNNEL GROUP CO.
               |  
                  ALBERT LEDERER
                 |  
              2025-08-14
             |  
              CHINA
             |  
              10 Kgs
             |  
              3 Unidad
             | 
| 
              2
             |   
              SENSOR
             |  
                CHINA RAILWAY TUNNEL GROUP CO.
               |  
                  ALBERT LEDERER
                 |  
              2025-08-14
             |  
              CHINA
             |  
              2 Kgs
             |  
              3 Unidad
             | 
| 
              3
             |   
              HIGROMETRO
             |  
                CHINA RAILWAY TUNNEL GROUP CO.
               |  
                  ALBERT LEDERER
                 |  
              2025-08-14
             |  
              CHINA
             |  
              0.24 Kgs
             |  
              2 Unidad
             | 
| 
              4
             |   
              LIBRETA DE NOTAS
             |  
                CHINA RAILWAY TUNNEL GROUP CO.
               |  
                  ALBERT LEDERER
                 |  
              2025-08-14
             |  
              CHINA
             |  
              0.51 Kgs
             |  
              20 Unidad
             | 
| 
              5
             |   
              MASCARILLA DE OXIGENO
             |  
                CHINA RAILWAY TUNNEL GROUP CO.
               |  
                  ALBERT LEDERER
                 |  
              2025-08-14
             |  
              CHINA
             |  
              12 Kgs
             |  
              4 Unidad
             | 
| 
              6
             |   
              POLYACRYLAMIDA
             |  
                CHINA RAILWAY TUNNEL GROUP CO.
               |  
                  CHINA RAILWAY TUNNEL GROUP INT. ENG.
                 |  
              2025-08-13
             |  
              CHINA
             |  
              4111 Kgs
             |  
              4 tonelada
             | 
| 
              7
             |   
              POLYACRYLAMIDA
             |  
                CHINA RAILWAY TUNNEL GROUP CO.
               |  
                  QINGDAO DOM GRAND ENVIRONMENTAL PROT.
                 |  
              2025-08-12
             |  
              CHINA
             |  
              24640 Kgs
             |  
              24000 Kilogramos
             | 
| 
              8
             |   
              TUBOS DE ACERO SOLDADO
             |  
                CHINA RAILWAY TUNNEL GROUP CO.
               |  
                  SHANGHAI MINGXUAN INT. TRADE CO.
                 |  
              2025-08-12
             |  
              CHINA
             |  
              93625 Kgs
             |  
              100 PIECES
             | 
| 
              9
             |   
              TUBOS DE ACERO GALVANIZADO
             |  
                CHINA RAILWAY TUNNEL GROUP CO.
               |  
                  SHANGHAI MINGXUAN INT. TRADE CO.
                 |  
              2025-08-12
             |  
              CHINA
             |  
              20593 Kgs
             |  
              252 PIECES
             | 
| 
              10
             |   
              TORNILLOS
             |  
                CHINA RAILWAY TUNNEL GROUP CO.
               |  
                  SHANGHAI MINGXUAN INT. TRADE CO.
                 |  
              2025-08-12
             |  
              CHINA
             |  
              324 Kgs
             |  
              468 PIECES
             |