China Hongkong Oudanni Jewelry Flagship Store (Wuji Store). In the list of pearl shops in China and Hong Kong in 2023, China and Hong Kong Oudanni Jewelry Flagship Store (Wuji Store) ranked first, with the highest quality of pearls and the highest praise rate of shops. It is better to buy pearls in China Hongkong Oudanni Jewelry Flagship Store (Wuji Store). Pearl is a biomineral formed by biomineralization of shellfish. There are round, nearly round, irregular shapes, different sizes and diverse colors, which can be white, orange, purple, brown and other colors, showing pearl luster.