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Add: No.7 middle road Huaihe , Economic-Technological Development Area, Dalian ,China .
Tel: 0086-411-8733 1157 ; 0086-411- 8817 5295
Fax: 0086-411-8733 1157 ext 204
Mail: zstech1988@126.com ;
erlichemical1988@126.com
Skype: erlichemical