| Name | Model | Appliance |
| Decolorant | WT AS-210 | Destruction of chromophore and COD reduction |
| Hydrogen peroxide remover | WT-7300K | Quickly Remove Hydrogen Peroxide |
| Defluoride | WT-714RF、WT-719RF | Deep defluoridation, fluorine content after treatment <1mg/L |
| Phosphate remover | WT-1950WJ | Deep phosphorus removal, both decolorization and COD reduction |
Heavy metal trapping agent (including copper removal, silver removal, etc.) | WT-7800K、WT-7802K | Wide range of heavy metal ions removal, low dosage |
| Deodorizer | WT-8808 | Liquid product, fast response, low additive quantity |
| Sludge reducer | RS | Improve coagulation effect, effectively reduce the amount of inorganic coagulant to reduce the amount of sludge |
| Ammonia nitrogen remover | WT-7963 | Rapid decomposition of ammonia and nitrogen, low dosage |
| Defoamer | Polyether Series / Alcohol Series / Organosilicon Series | Strong defoaming and foam inhibiting power; full range, wide range of applications |
Polymer flocculant (Polyacrylamide PAM) | Anionizer WT-7AP | Strong adsorption capacity, low dosage |
| Cationizer WT-7CP | Suitable for all kinds of sludge | |
| Pharmaceuticals for biochemical systems | Biochemical system regulators / Biochemical system synergists | Suitable for a wide range of biochemical systems |
| Minerals | WT YY-101、WT YY-102 | Supplementation of micronutrients required for biological production and enhancement of biological activity |
| Nutrient | WT YY-201、WT YY-202 | Preventing the effects of water shock on microbial growth |