Green Cross Medical Science Corp. manufactures and sells diagnostic reagents in South Korea. The company offers molecular, immunology, biochemistry, microbiology, and other diagnostic reagents. It also provides diagnostic instruments; blood bags; home medical devices, such as blood collection tubes; blood dialysis products; and HbA1c/BGMS products to monitor and measure glycated hemoglobin and blood glucose. The company was founded in 2003 and is headquartered in Yongin, South Korea.