Address1:Yingbinbei Road 36#,Yanjiao Economic & Technical Development Zone.

Heibei Province,China. 

 P.C.:065201

 Address2: 10th Floor,Tower C2,Oriental Plaza ,N0.1East Chang an Avenue,Dong Cheng District,Beijing China

                                                                               P.C.:100738

                                        Tel :0086-10-61597788/7225/7226/7227(BJ)

                                             0316-3312686/3317171/172/173(H B)

                                         Fax :0086-10-61598065(BJ)

                                                 0316-3312686-2036(HB)

Website: http://www.swt-oc.com

E-mail: swt@swt-oc.com

Service mail:service@swt-oc.com