Email: yongshungu@yongshungu.com
Address: No.14, Langxia Third Industrial Zone, Songgang, Bao'an District, Shenzhen
Huizhou Company: Huizhou Harmony Yonggu Precision Technology Co., Ltd
Huizhou landline: 0752-3398839
Huizhou Factory: Building 22, Huizhou Zhongkai Zhongji Zhigu Industrial Park, Shanpi Village, Lilin Town, Zhongkai High tech Zone, Huizhou