Dalian Sciencers International Co., LtdAdd.:N0.38-2-6-1 Bilangyuan,Zhongshan District , Dalian ,ChinaZip:116015Tel: 0086-411-82862853/82863853-601,602,...608. Fax: 0086-411-82862853/82863853-604mail: dlssgj@hotmail.com