Shenzhen, China, Sept. 22, 2025 (GLOBE NEWSWIRE) -- Leading vaporization technology company Firstunion Group officially launched its innovative heated tobacco product—the Biheat Series—at the Inter Tabac exhibition in Germany. The product series adopts the industry’s first Dual Heating System, which maximizes the activation of tobacco components, extends single-use duration, and ensures excellent taste consistency and heating efficiency. In addition, through pioneering industry applications such as AI model ...