Contact Information

Canada Head Office
Greatstone International Ltd.
1367 Osprey Drive, Unit 7
Ancaster Ontario Canada L9G 4V5

Tel: +1-905-304-0303
Fax: +1-904-304-0306
Email: gsi@greatstone-international.com
Website: www.greatstonehvacr.com

China Branch Office
Shenzhen Greatstone International Ltd.
Rm 1405 E, Yi Hai Square
Changye Rd., Nanshan District
Shenzhen, Guangdong Province
China 518054

Tel: +86-755-2641-0497
Fax: +86-755-2649-0391
Email:gsi@greatstone-international.com