Sang Zi Village, Tea Garden Town, Xinhua County, Loudi City, Hunan Province. Sang Zi Tea Farm in Xinhua County is a famous scenic spot in Xinhua County, Loudi City, Hunan Province. This is one of the famous black tea producing areas in China. Tea trees planted in tea farms have a long history, excellent quality and high reputation. Mulberry tea garden is located in hilly and mountainous areas of southern Hunan, with mild and humid climate and fertile soil, which is suitable for tea tree growth. Most of the tea trees in the tea garden belong to ancient tea trees, which are hundreds or even thousands of years old. The black tea made of young buds picked every spring is a unique traditional tea in China.