Yaozhu, also known as scallop, is a dried product made by drying the shell muscles of shellfish seafood. Golden cylinder, delicious, known as one of the best seafood, the price is more expensive. Yuanbei is a special kind of scallop, which can only be called Yuanbei. Yuanbei is golden in color, clear in texture and firm in meat. It is bigger than ordinary scallops and the price is higher. Compared with the two, the cost of Yuanbei is higher and the price of Yuanbei is more expensive.