English bill acronym & Cloud Invoice Notes

After tap water is boiled, a layer of white precipitate on the surface or on the side of the heating container, is it harmful to our health?

How do you determine whether the quality of the tap water in your home is safe?

Sometimes tap water from the spout looks milky white, but after standing for a while, it clears up, is this harmful to our health?

How is tap water processed?

What are the causes of indirect contamination in household tap water usage?

How should we maintain residential water related equipment in order to ensure the safety of tap water?

Why do fishes seem uncomfortable or die when tap water is used in the aquarium?

Can we request your company to conduct tests on private source of water supply?

Purifier marketing personnel make frequent calls offering to conduct water electrolyte tests, misleading most people to suspect tap water quality, why is that?