China's Zijin Gold surges over 60% in Hong Kong debut after world's second-largest IPO this year Zijin Gold is the overseas gold-mining arm of China's Zijin Mining, created to hold and operate all of the group's gold mines outside China. https://www.cnbc.com/2025/09/30/china-zijin-gold-marke-debut-hong-kong-ipo.html