North American Headquarters

6 E Main St. Ware MA 08302 USA

Tel: +1 (413) 277-0350

GHC Office

Unit 1035, 706, Dongtan-daero, Hwaseong-si, Gyeonggi-do, South Korea, 18463

Tel: (82) 1094741471

GHC South Korea Facility and Office

169, Mado-ro, Docheok-myeon, Gwangu-si, Gyeonggi-do, South Korea [12818]

경기도 광주시 마도로 169

Tel: (82) 31-797-8833

Contact