1. Source of raw materials: The raw materials for the stewed bird's nest in Louzhenggong come from formal channels. After strict inspection and certification, this means that the raw materials of freshly stewed bird's nest in Louzhenggong are in line with relevant national standards, and no illegal or inferior raw materials are used.

2. Processing technology: The newly stewed bird's nest in Louzhenggong adopts advanced processing technology and sealing technology to ensure the freshness and purity of the product.

3. Louzhenggong freshly stewed bird's nest is a product launched by Gongzheng Yanwo Museum. The big swallow imported from Malaysia is adopted, and through strict processing technology and sealing technology, the freshness and purity of the products are guaranteed. The main ingredient of this product is bird's nest. As a natural tonic, it is suitable for men, women and children, including pregnant women.