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Audited Supplier Working process
Raw water tank→ Raw water booster pump→quartz sand filter→activated carbon filter→water softener (optional)→security filter→high pressure pump→RO system→UV sterilizer (optional)→pure water tank
| S/N. | Commodity name | Application | Remark |
| 1 | Raw water tank | Store water, buffering pressure, overcome instability of supplying water by pipe, ensure to supply water stably and continuously for whole system | Customer provide for themselves, because big size will result in expensive freight. |
| 2 | Raw water pump or called booster pump | Provide needed pressure for every pretreatment filter | We can provide CNP pumps |
| 3 | Mechanical filter or called quartz sand filter or sand filter | We use fiber glass or stainless steel vessel as housing, fill quarts sand, it can filter big particles impurities, suspended substances, colloids etc. | The filter tank's material: FRP/ SUS-304/SUS316 |
| 4 | Activated carbon filter | We use fiber glass or stainless steel vessel as housing, fill activated carbon, remove color, odor, residual chlorine and organics substances. | The filter tank's material: FRP/ SUS-304/SUS316 |
| 5 | Water softener, demineralizer, or called Na+ exchanger | Adopt cation resin to soften water, cation resin will absorb Ca2+, Mg2+(main elements for composing scale), reduce hardness of raw water, System can make resin intelligently regenerate, recycling | The filter tank's material: FRP/ SUS-304/SUS316 |
| 6 | Security filter or pp filter, or called PP sediment filter | prevent large particles, bacteria, viruses into RO membrane, accuracy is 5µm | Material: FRP/ SUS-304/SUS316 |
| 7 | High pressure pump | Provide needed working pressure for RO system, ensure production capacity of pure water. | CNP pump optional |
| 8 | RO(reverse osmosis) system | Can remove particles, colloids, organic impurities, heavy metal ions, bacteria, virus, heat source etc. harmful substances and 99% dissolved salts. | RO membranes USA brand |
| 9 | UV Sterilzier | Kill 99% bacterial | For drinking directly |
| 10 | Ozone generator | Kill 99%bacterial and keep 2hours sterilization. | For making bottled water |
| Different water TDS compare and usage | ||||
| Usage/Source Water | Bottled water, bag Water | City Water | Brackish water | Sea Water |
| TDS Range | 2-10ppm | 100-1000ppm | 2000-20,000ppm | 20,000-40,000ppm |
| Direct Drinking | Yes | Yes/No | No | No |
| Cooking, human consumption, washing | Yes | Yes | No | No |
| Irrigation, industry, animal drinking | Yes | Yes | No | No |
Application of pure water:
1). Electronic industry: Pre-filter for ultra pure water, chemical products and pure water
2). Food and beverage industry: filter for mineral water, wines and fruit juice
3). Medicine industry: filter for drug liquid, gases
4). Chemical industry: filter for organic solvent
5). Petroleum industry: filter for oil-field flooding
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Audited Supplier 
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