1. The research and development background of Jinlingguan infant formula milk powder Jinlingguan infant formula milk powder is a nutritional food specially designed for infants and young children. Its research and development background can be traced back to the 1950s. At that time, with the continuous advancement of science and technology and people\’s increasing attention to health and nutrition, a variety of milk powder products began to emerge internationally. However, due to historical reasons, economic development level and other factors, the milk powder market is relatively lagging behind.