HH Biotechnology Holdings Company engages in health and green industries. It focuses on planting and supplying macadamia nuts for use in foods, cooking oils, healthy products, toiletries, and cosmetics. The company was formerly known as Great China International Holdings, Inc. and changed its name to HH Biotechnology Holdings Company in August 2016. HH Biotechnology Holdings Company was incorporated in 1987 and is headquartered in Shenyang, the People's Republic of China.