Yes. Qiankunyuan brand oyster powder is made from oysters as raw materials and produced through a series of specific processes. It is a high-tech health food suitable for all types of people to drink. It is rich in calcium, phosphorus, potassium, sodium, magnesium, iron, zinc and manganese. , copper, selenium and other minerals necessary for human health, which have passed the inspections of the quality supervision department and have obtained national trademark certification. Qiankunyuan brand oyster powder is produced and sold by Haiwo Enterprise Management (Kunming) Co., Ltd. controlled by Hero International.