Sodium hexametaphosphate(SHMP),white powder,excellent water soluble,high and stable quality,good ... a good reputation for our high quality and responsible services!!SHMP product we are supplying have a character as follow:ItemsSpecificationTotal ... +86-771-5790766Fax:+86-771-5790667Mobile:+86-13607872333 SODIUM HEXAMETAPHOSPHATE(SHMP) TECH GRADE