100% pure directly mined from natural nest islands in Nha Trang Bay Salanganes'Nest Kingfood by the company to directly manage operators. The products carry a very high nutritional value, is the rare resource exports. The company constantly improve every aspect from research to conservation and development in order to preserve the ecological environment for the birds nest, mining methods and processing business, quality standards, products bearing the brand " Kingfood Swallow nest "was appreciated.