water treatment chemicals,all chemicals1.aluminium sulphate



                                              2.calcium chloride dihydrate/anhydrate



                                              3.sodium hexametaphosphate



                                              4.sodium metabisulphite



                                              5.sodium tripolyphosphate



                                              6.zinc oxide



                                              7.PAC



(2)Organic chemical product:             8.Carboxyl methyl cellulose



                                              9.formic acid



                                              10.oxalic acid



                                              11.glacial acetic acid



                                              12.pentaerythritol