Tianjin Hengda S & T.Co.,Ltd.
Address:B-10th Floor,1st Building,No.15 Yongyuan Road, Tianjin High-Tech Industrial Park
Tel:86-022-58385868  
           58385869,58385886
      010-85263539(Beijing)
      020-37594227(Guangzhou)
Fax:022-58385898
Postalcode:300384
http://www.china-hengda.net
Email:hd610@126.com