In particular, our natural nano manufacturing technology surpasses that of Japan, which was the world's No. 1 in the past, and our nano technology has been applied to various natural products, and its efficacy is excellent. Our nano calcium product (health functional food) has been proven to be more effective in a comparative clinical trial than Pfizer's calcium product (medicine) in the United States, and has won the Technology Innovation Award at the largest food fair in the United States.