Investor Presentaiton

Industrial robot-Estun, Inovance, LHDS & Shuanghuan Upstream and downstream enjoy higher profit margins than midstream Speed reducer component has highest GPM and lowest localization rate Industrial robot cost breakdown as of 2020 GPM across the industrial robot supply chain as at 2020 Source: Leadleo Research Institute, Macquarie Research, May 2023 50% 47% 45% 40% Speed reducer, 35% 35% 30% 25% 20% 35% 25% 15% 36% 15% ■ Servo system, 24% 10% 5% 0% Speed reducer Servo system Control system Robot body System integration ■Control system, 12% Localization rate of industrial robot supply chain as at 2021 100% Up-stream Robot body, 23% 90% 96% Mid-stream Down-stream System Integration 80% 70% 60% 60% 50% ■ Others, 6% 37% 40% 31% 33% 30% 25% 21% 20% 10% 0% Speed Control reducer system Servo system Robot body High-end middle-end low-end 4

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