GRENCO INTERNATIONAL GROUP (HONG KONG) LIMITED
Hong Kong headquarter：
Adress：Suite 3408, 34/F, Tower 1, The Gateway, Harbour city, Tsimshatsui, Kowloon, Hong Kong, China
Phone：00852 81207821
Email：info@grenco-firesafety.com
Shanghai office：
Adress：Room B305-B306, Building 2, No. 568, Tianyi Road, Qingpu District, Shanghai, China
Phone：0086 15900343527
Email：sales@grenco-firesafety.com
