Building 4 1 Erdao Street, Hulan District, Harbin City, Heilongjiang Province. According to Baidu map, the gold address of Harbin Mengjinyuan is located at Building 4 1 Erdao Street, Hulan District, Harbin City, Heilongjiang Province. Mengjinyuan is a high-end gold jewelry brand under Mengjinyuan Gold Jewelry Group, and its products are positioned in the middle and high-end young women's consumer market.