If there is a steel seal, it is genuine, and if it does not, it is fake. The difference between Jinlingguanzhenzhu with a steel seal and those without a steel seal is that those with a steel seal are genuine, and those without are fake, so pay attention to whether there is a steel seal when purchasing. This series is developed for the nutritional needs of Chinese babies and has 5 Chinese It has a patented formula and has also obtained the "Aerospace Strict Selection" certification from China Aerospace.