This is Cherry and come from Zouping Dongfang Chemical Industry Co.,Ltd. We are a professional water treatment chemical producer in China since 1990. Our products are of world class quality and we have already been the regular suppliers for various world reputed companies. Our main product is as following (Our produce capacity total 40000 MT per year): 1).Phosphonates: ATMP, HEDP, PBTC, EDTMPS, DTPMPA, HPAA, ect. 2).Water Soluble Polymers: PAA, PAAS, HPMA, AA/AMPS, MA-AA,PESA, PASP, ect. 3).Organophosphoric Salts: HEDP.Na2, HEDP.Na4, HEDP.Kx, EDTMP.Na5, DTPMP.Na5, DTPMP.Na7 4).Corrosion Inhibitors used in copper: BTA,TT.. 5).Biocides: CMIT/MIT-1.5% & 14%, Benzalkonium Chloride etc. If you are interesting in water treatment chemical, please contact us immediately. We will offer the most competitive prices with the best quality as well as the best servicers. Hope to establish long-term and mutual cooperation with you! I look forward to hearing from you as soon as possible.