天津是我国四大直辖市之一，位于渤海之滨，华北平原的东北部，是首都北京的海上门户。人口约９００万，是我国北方最大的工商业城市，享有“渤海之珠”的美誉。改革开放以来，随着天津经济的迅速发展，市民的经济收入和消费水平也在不断地提高。所有这些为珠宝首饰业在天津的 Tianjin is one of the four major municipalities directly under the Central Government. Located on the coast of the Bohai Sea, northeast of the North China Plain, Tianjin is the gateway to the capital of Beijing. With a population of about 9 million, it is the largest industrial and commercial city in northern China and enjoys the reputation of “Pearl of Bohai Sea”. Since the reform and opening up, with the rapid economic development in Tianjin, the economic income and level of consumption of the citizens have been constantly increasing. All of these for the jewelry industry in Tianjin