panchem co. ltd., established in year 1997, with registered capital of 10 million rmb & annual turnover of 20 million dollars, is a young and innovative company active in producing sodium tripolyphosphate(stpp) food grade ,enclosed the offer as follows: re:sodium tripolyphosphate(stpp) food grade spec: na5p3o10 95% min p2o5 57% min fluorides 0.003% max as 0.0003% max heavy metal(pb) 0.001% max chlorides 0.025% max sulphates 0.4% max substances not dissolved in water 0.03% max ph value (1% of solution) 9.5-10.0 whiteness 85 min appearance white granular or powder pkg:25kg/bag (22mt/20'fcl) if you interest the above product,please contact us asap. may panchem international trading and industrial co. ltd. add : blocks 707/708, a1,teda new sky-land plaza,no.12, nanhai road,2nd avenue, teda, tianjin 300457, china tel : 0086 - 22 – 25899294 fax : 0086 - 22 – 25858913 e-mail: may668@starinfo.net.cn