Founded in 2017,TOSUN is an industrial software company focused on automotive electronic toolchains. Its core software, TSMaster, and supporting hardware offer embedded code generation, bus analysis, simulation, testing, diagnostics, and calibration, covering the full vehicle and component lifecycle from R&D to aftersales. Recognized by Frost & Sullivan (Apr 2024) as China’s No.1 in automotive software toolchain market coverage, the company serves 5,000+ clients worldwide, including OEMs, suppliers, chipmakers, and equipment providers. Headquartered in Shanghai, it operates nationwide and in 14 global markets.