RELX (Yueke) is the flagship brand of Shenzhen Fogcore Technology Co., Ltd., founded by former Uber China General Manager Kate Wang in January 2018. As the undisputed benchmark of China’s e-cigarette industry, RELX leveraged superior product experience, robust supply chain integration, and aggressive channel expansion to capture over 60% of China’s closed-system e-cigarette market within three years. In 2021, it debuted on the New York Stock Exchange as "China’s first listed e-cigarette company." Following the rollout of new domestic e-cigarette regulations in 2022, RELX’s domestic business declined. However, the company swiftly pivoted to global markets, successfully transitioning through a dual-brand strategy. Today, it ranks as the world’s fifth-largest e-cigarette brand—a prime example of how a Chinese consumer electronics enterprise can evolve from a domestic leader into a global player.