Gemlin Door (Beijing) Co., Ltd 

Address:No. 2 Changzhengnan street, Fangshan district, Beijing

Tel： 13146933506

Fax： 010-83316857

Hot line：400-666-1770

Mailbox：gemlin@126.com

Tianjin Branch:

Address: No.01. Shuang Chen Xi Road, Beichen District,Tianjin city 

Tel:  13141452996

Fax:  022-26929258-813

Shenyang Branch：

Address: Room No.601 ,Jiahe Building, Pangjiang Street,Dadong District,Shenyang City 

Tel:86-24-24831277

Fax:86-24-24831277

Chengdu Office

Address: No.44 Lihua street, Baihe town, Longquanyi district, Chengdu

Tel:028-84624038