Samsung. According to the star standard of green buildings in Hunan Province, as of July 24, 2023, the star standard of green buildings in Hunan Province is divided into one star, two stars and three stars, with Samsung as the highest level. Green building refers to a high-quality civil building that saves resources, protects the environment, reduces pollution, provides people with healthy, safe, applicable and efficient use space, and realizes the harmonious coexistence between man and nature during the whole life cycle of the building.