IPOXunlong Sci-Tech lists in Hong Kong as it leans on overseas buyers for sales growthThe first caviar producer to go public, Hangzhou Qiandaohu Xunlong Sci-Tech is best-known for its Kaluga Queen brand. (Nikkei montage/Source photos by Kaluga Queen's Facebook and Instagram page)LORRETTA CHENJune 30, 2026 11:40 JSTHONG KONG -- Hangzhou Qiandaohu Xunlong Sci-Tech's shares opened 36.4% higher in their trading debut on the Hong Kong Stock Exchange on Tuesday after the Chinese caviar producer raised 1.2 billion Hong Kong dollars ($153 million) in its initial public offering.