Shanghai Golden Swallow & Cedar International Trading Co., Ltd (hereinafter referred to as GSC) was established in 2013 in China (Shanghai) Free Trade Zone. Product display experience Museum was set up in the busy road of Pudong New Area. With “Queen Longjade” as a leading brand, it is a private enterprise integrating the production, sales and brand operation of Multi functional green environmental protection nano microcrystalline jade products. The factory is located in Jianping County Industrial Park, Chaoyang City, Liaoning City - the birthplace of Chinese Hongshan culture.