Does transit through Hong Kong differ from placing the product on the Hong Kong market?

Does transit through Hong Kong differ from placing the product on the Hong Kong market?

Section 2 of Hong Kong's Import and Export Ordinance, Cap. 60, defines an “article in transit” as an article which “is brought into Hong Kong solely for the purpose of taking it out of Hong Kong” and which “remains at all times in or on the vessel or aircraft in or on which it is brought into Hong Kong”.

The company does not say how that definition applies to any shipment. The company sets out its position under two bodies of law only, and neither of them is the law there.

Under United States law, NF Technical Products Inc. classifies the NanoFlashing™ Air Filter as a device under Section 2(h) of the Federal Insecticide, Fungicide, and Rodenticide Act, 7 U.S.C. § 136(h), and 40 C.F.R. § 152.500(a). Under Regulation (EU) No 528/2012, C-POLAR Technologies, Inc. classifies the same filter as neither a biocidal product nor a treated article. Each statement records that it addresses that one question only. No authority has approved, registered, endorsed or cleared the filter; the company classifies its own article.

What an authority requires of a product placed on its market is decided under its own rules, by the party that places it there. Every commercial NanoFlashing™ product is made by a manufacturing partner, in their facility, in their format.

Source: Statement of Classification for the NanoFlashing™ Air Filter, sections 1.3 and 3.7, issued by NF Technical Products Inc.; Statement of Regulatory Status for the NanoFlashing™ Air Filter, sections 1.3 and 3.7, C-POLAR Technologies, Inc., 11 September 2026; C-POLAR — Terms of Use, section 6, https://cpolar.tech/terms/; Import and Export Ordinance (Hong Kong), Cap. 60, section 2, verified copy last updated 11 July 2025, read 20 September 2026, https://www.elegislation.gov.hk/hk/cap60.

Reviewed on 21 September 2026.