3S Industry Group Inc. and its subsidiaries provide wind energy, construction, and safety protection equipment in China and internationally. Its products include service lifts, climb auto systems, climb assists, offshore davit cranes, aluminum ladders, suspended platforms, passive smart locks and control systems, ladder hoists, trailer lifts, tower climbers, industrial elevators, transport platforms, construction hoists, retractable discharge platforms, mast climbing work platforms, electric rope hoists, transformers, switchgears, evacuation and rescue devices, fall protection systems, self-retracting lifelines, and body harnesses. The company also offers engineering, kit-setting, procurement, logistics, installation, maintenance, troubleshooting, repair, retrofit, and training services, and exports its products. Founded in 2005, it is headquartered in Beijing, China.