tokens: Since being put into operation five years ago , the Tianjin Port Bonded Area has completed the construction of China 's first goods distribution center , functions like a customs port , opened up the special use the railway line from the Tianjin Port Bonded Area passing Xi'an and Lanzhou to arrive at Xinjiang 's Allah Mountain pass customs port , established a number of large - scale materials circulation distribution and supply centers integrating storage , transportation and sales , opened multiple railway and international container joint - operations with a monthly loading and unloading capacity reaching 6,000 standard containers .