Represents Lao Fengxiang B model sterling silver jewelry. b is the manufacturer code or brand code. Pure silver is silver with a silver content of not less than 990% per thousand, that is, sterling silver. Lao Fengxiang is a century-old national brand, a famous Chinese jewelry brand, a listed company, and one of the top 500 enterprises in China. Shanghai Lao Fengxiang Co., Ltd. is the development and evolution of Lao Fengxiang Silver Building, which was founded in 1848. The creativity of its trademark "Lao Fengxiang" also The brand name originated from Lao Fengxiang Silver House. Lao Fengxiang Company has developed into a company integrating science, industry and trade, with more than 20 subsidiaries such as Lao Fengxiang Silver Building Co., Ltd., Lao Fengxiang Jewelry Research Institute Co., Ltd., Lao Fengxiang Jewelry Co., Ltd., Lao Fengxiang Diamond Processing Center Co., Ltd., in the 2019 People's Daily " Ranked 87th in the top 100 of China Brand Development Index.