It's true. There are a large number of gold and silver jewelry entrances and exits in this city, which need to be protected by strength to prevent foreign people from competing with each other and causing damage to gold and silver jewelry, create more employment opportunities for the society, and maintain the safety and order of gold and silver jewelry. Tongzhou, Beijing is a municipal district in Beijing, China, with a large number of cultural relics, rehabilitation and tourist attractions. Its main economic activities are tourism, retail, wholesale and financial services.