Company： 

http://www.sdhaizhu.com

Garage door telephone：0536-2312976     

Garage door fax：0536-2333976 

Steel door telephone：0536-2310188

Steel door telephone：0536-2322766 

Enterprise mailbox: haven@sdhaizhu.com

National service hotline：4000039431

ADD：No.2326, Liquan Industrial Park, Gaomi City, Shandong Province