It is a brand name. The company's name is Xiamen Shouguan Network Co., Ltd., and its address is located in Torch High-tech Zone, Xiamen, Fujian Province. Meibong is a brand name that is very famous. The American clam is a mollusk that lives in fresh water. Its shell is oblong, with a dark brown surface. There is a nacreous layer inside the shell, and some can produce pearls.