Sodium tripolyphosphate(STPP),industrial grade,white powder,good water soluble,low impurity content, ... Ukraine,Japan,Korea,Thailand,Singapore,Malaysia,Philippines....etc.Sodium tripolyphosphate industrial grade we are supplying have a character as follow: ... Building 10,District C,Chunhuihuayuan,No. 11,Yunjing Road ,Nanning City,Guangxi province,ChinaTel:+86-771-5875027 +86-771-5700007 +86 ...