# Filter King: Consumer, Hong Kong SAR China

> Filter King: Filter King produces nanofiber filter paper, air sterilizing purifiers, and mask products. Based in Hong Kong SAR China. Founded 2020.

Source: https://millionrounds.com/startup/filter-king-2 (Millionrounds; every figure on the page links to its filing or article)

Hong Kong SAR China · [Consumer startup](https://millionrounds.com/companies)

# Filter King

Filter King produces nanofiber filter paper, air sterilizing purifiers, and mask products.

Listed

Consumer Hong Kong SAR China

Company summary

- **Founded:** 2020 6 years old
- **Team:** 1 1 to 10 people
- **Funding reported:** - none reported
- **Last round:** - date not reported

How sure we are

- 1 **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for Filter King has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## Consumer in Hong Kong SAR China

Startups like it

- [**Cider** Hong Kong · founded 2020](https://millionrounds.com/startup/cider)

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