What grade does Ai Shang Yan's bird's nest belong to?

High-end grade. "High-end grade" is usually used to describe high-quality, high-value and high-level products, services or places. Shang Yan's raw materials for bird's nest come from Malaysian and Indonesian virgin rainforests. These areas are suitable for environment, where swallows nest and produce high-quality bird's nest. Shang Yan selects these high-quality raw materials to ensure the purity and quality of products. The price of bird's nest in Shang Yan is between 2,000 and 4,000 yuan. Ai Shang Yan uses eight patented technologies to stimulate the nutrients in bird's nest. These techniques include extraction, soaking, stewing and other processing methods, which can maximize the retention of nutrients in bird's nest and improve the nourishing effect of the product. Therefore, Ai Shang Yan's bird's nest belongs to high-grade products.