Marketing and Sales Department will take care of providing you with our Products and Services. Please send your enquires to sales@greatwall-security.com and we will be pleased to provide you with all necessary information.

Headquarter: ( Factory )
Shanghai GreatWall Security Technology Co., Ltd.
Add: 3/F, Building 6, No.1258, Xinzhu Road
Longxing Industrial Park, Minhang
District, Shanghai, China
Tel : 0086- 21-64986432
Fax: 0086 -21-54945068
E-mail : sales@greatwall-security.com
Website : www.greatwall-security.com

Shanghai Export Company: ( Sales & Marketing )
Shanghai Haiheng Industrial Co., Limited
Add: 3/F, Building 6, No.1258, Xinzhu Road
Longxing Industrial Park, Minhang
District, Shanghai, China
Tel : 0086- 21- 58319740
Fax: 0086 -21 -58319810
E-mail : sales@greatwall-security.com
Website : www.greatwall-security.com