Symbol. The bronze carriage on Binjiang Street in Tianjin is made of copper and lacquer. The bronze carriage symbolizes the peace and prosperity of Tianjin. Tianjin Quanyechang near the bronze carriage is the symbol and symbol of Tianjin's commerce, which is mainly commercial. Tianjin, also known as Jingu and Jinmen, is a provincial administrative region and municipality directly under the Central Government of People's Republic of China (PRC).