联系人 Mr. David
76 Haiqu Road, rizhao, shandong
Appearance : the original white or light yellow powder CAS:********4 Molecular formular:(C6H*1NO4)n Purity:*0%, *5%, *0%, *5% we can supply industrial grade, food grade, feed grade and ***** you are interested in it, pls don**9;t be hesitated to contact us. we will give you our best price. Best regards!