... NO., 233-055-3 Appearance: White crystalline double sulphate of aluminium.Colorless, transparent, massive or crystalline powder, odorless non-toxic, ... OFFICE ADD : 3020 ROOM, PARKSON MANSION NO.44-60 ZHONGSHAN ROAD,QINGDAO,SHANGDONG P.R.CHINA - POST CODE : 266001 RIZHAO ... ADD : 4TH FLOOR OF SHIPPING BUILDING, NO.168 HAIBIN ROAD 2,RIZHAO, SHANDONG, CHINA - POST CODE : 276826 Alum(good quality&hot sales)