King Fook Holdings Limited announced that on 15 December 2025, the company entered into an agreement to purchase diamond jewelleries from a vendor wholly owned by Mr. Sin, a non-executive director of the company, and his mother. The agreement covers a period from the date of signing to 14 September 2026, with an annual cap of HK$20 million on a cost plus agreed margin basis of 10% to 25%. The agreement follows previous purchases from the vendor totaling HK$1,367,642. The company stated that the agreement is in the ordinary course of business and that Mr. Sin abstained from voting on the relevant board resolution.