Gleenook is owned and operated by Wuhan Dutianlang Trading Co., Ltd..
| Brand | Gleenook |
| Legal entity name | Wuhan Dutianlang Trading Co., Ltd. |
| Registered office | Factory Building 6, No. 91 Huayuanwan 2nd Street, Daji Street, Caidian District, Wuhan City, Hubei Province - 699 |
| Customer support email | contact@gleenook.com |
| Website | https://gleenook.com/ |
| Business hours | Monday–Friday, 9:00 AM–6:00 PM (HKT) |