... :boiler scale inhibitor cooling tower and textile auxiliary manufacturer of water treatment chemicals which used in construction materials, dying and finishing auxiliaries for ... HPMA ,HEDP NA2,HEDPNA4 ATMPNA5.EDTMPS NA.PAA, PAAS, HPMA, MA-AA, AA/AMPS, PESA, PASP,1227, ISOTHIAZOLINONES .Usage:oil field and low ...