The document describes the Air Train service that transports cargo by train between Chengdu, China and various locations in Europe via Russia and Kazakhstan. The key points are: 1) The Air Train provides train shipments of containers, pallets, or boxes between China and Europe, with hubs and bonded warehouses located in China, Russia, and Europe. 2) Transit time between Chengdu and destinations in Europe like Poland, Czech Republic, and the Netherlands is 12-14 days maximum by train. 3) The Air Train service offers competitive advantages over air and sea shipping in terms of price efficiency, reduced transit time, and lower carbon emissions.