SAPP, FOOD GRADE, WE CAN SUPPLY ROR28, 40 ETC, BEST PRICE AND HIGHEST QUALITY. DEAR SIR:AS THE GOLD MEMBER IN ALIBABA, WE EXPORT SAPP, STPP MORE THAN 10 YEARS, AND COULD SUPPLY HIGHEST QUALITY AND BEST PRICE.IF YOU ARE INTERESTED IN IT, PLS CONTACT WITH US, WE CAN CONFIRM YOU WILL SATIFITY WITH OUR QUOTATION.BEST REGARDSWANG XIAOLANSODIUM ACID PYROPHOSPHATE1.Chemical Name: Disodium Dihydrogen ...