Today (September 10) Apple Event launches a number of new products, among which iPhone 18 Pro / 18 Pro Max and iPhone Duo are confirmed to be launched in Hong Kong versions. When this article was published, Apple had announced information about the Hong Kong version of each mobile phone, including details such as price and sales date.
The foldable iPhone Duo is available in night sky and starlight white models, with 256/512/1TB/2TB capacities, priced at $17,499/$19,299/$22,799 and $27,999 respectively.

The 6.3-inch screen iPhone 18 Pro is available in 4 colors and 256/512/1TB/2TB capacity options. The Hong Kong version is priced at $10,499 / $12,299 / $15,799 and $20,999 respectively.

The 6.9-inch large-screen iPhone 18 Pro Max is retained with the same color and capacity options, and the Hong Kong version is priced at $11,499 / $13,299 / $16,799 and $21,999 respectively.

iPhone 18 Pro / 18 Pro Max will be available for pre-sale on Saturday, September 12th, and will be available for sale next Friday, September 18th; iPhone Duo will be available for pre-sale on October 16th, and will be officially launched on October 23rd.
Short comment from Mobile Magazine: Due to the tight supply of mobile phone parts globally, the price increase of the current generation iPhone 18 Pro is also expected, and its overall functions have also been improved a lot, so Apple fans can upgrade with confidence.
Source: Apple