TaoSign Corporation. specializes in research and and manufacture of DIMETHYL DICARBONATE,452- 5-33-1,Dimethyl pyrocarbonate, Dicarbonato de dimetilo. Contact person: Edvin wang TaoSign Corporation. Headoffice:<- br /> RM1402, Doublestar Seacoase 7#, No.5 Guizhou Road, Qingdao, China 266001 Tel: 0086 532 85760913; Fax:0086 532 85761013 Email: edvin@chemaster- .cn; chemaster01@yah- oo.com.cn