Luoxi Town, Luojiang District, Quanzhou City, Fujian Province. According to Baidu map, Luoxi Town, Luojiang District, Quanzhou City, Fujian Province is the origin of Quanzhou traditional Chinese medicine. Quanzhou, formerly known as Erythrina City, is located in the southeast coast of Fujian and the west bank of Taiwan Strait, with Fuzhou in the north, Xiamen in the south, Taiwan Province Province in the east and Zhangzhou, Longyan and Sanming in the west. It is one of the three central cities in Fujian.