This is uncertain. T9 is just an identification code for the train arrangement from Beijing to Chongqing. Any train can be numbered T9 as long as it can travel from Beijing to Chongqing at an express speed. The seats and bunks above are still uncertain. Long-distance trains are generally equipped with 6-8 hard-seat cars (each 1 18 seats, totaling about 900 seats), 5-6 hard-sleeper cars, 1-2 soft-sleeper cars (about 100 seats), and 1 luggage.