Lao Fengxiang, a native of Shanghai, developed in Shanghai local Lao Fengxiang Jewelry Store 1848. In Shanghai, the jewelry prices of Laofengxiang, Laomiao, Yayi and Huangcheng are the same (it is estimated that there are price alliance), and these four are also the four most important jewelry enterprises in Shanghai. As for Luk Fook and Chow Tai Fook, both originated in Hong Kong and later expanded to the mainland, and the prices originally depended on international brands. So the price began to go down, leading to the same price as Lao Fengxiang. But if you pay attention, you can find that the price of Chow Tai Fook fluctuates greatly, which is not always the same as that of Lao Fengxiang.