China：
Address: Building 17, Ganzi Park, Hanpu Street, Yuelu District, Changsha City, Hunan, China
Email: go@glnutrition.cn
Phone: +86-400-679-2012
US Representative ：
Address: 1226 W Mabel Ave, Monterey Park, CA 91754, USA
Email: alan.hou@glnutrition.cn / golongnutrition@gmail.com
Phone: +1 (626) 557-6068