CHEMaster International Inc. specializes in research and and manufacture of Magnesium Ascorbyl Phosphate(MAP),Sodium Ascorbyl Phosphate (SAP) ,  
Contact person: Edvin wang  
CHEMaster International Inc.  
Headoffice:  
RM1402, Doublestar Seacoase 7#, No.5 Guizhou Road, Qingdao, China 266001  
Tel: 0086 532 85760913;  
Fax:0086 532 85761013  
Email: E-mail:edvin@chemaster.cn; E-mail:chemaster01@yahoo.com.cn