Swiss Grandstone Watch Industry (Hong Kong) Company Limited

Hong Kong: Room 1501, 15/F, 

Eastern Commercial Centre, 

397 Hennessy Road, Wanchai, 

Hong Kong.
Phone: + 852-90179622

E-mail: grandenhk@163.com

Mainland China: Room 1332, 

Ruifeng Business Center, 

Kaichuang Road, Huangpu District, 

Guangzhou, Guangdong, China.

Phone: + 86-20-38055266
Mobile: 86-18903079520 

(Mr.Tony Huang)
E-mail: grandenhk@163.com