On December 18, Gelonghui reported that Guangdong Dowstone Technology (300409.SZ) stated on the investor interaction platform that carbon nanotubes, due to their excellent mechanical properties, electrical properties, and high sensitivity, are ideal materials for manufacturing human-like robotic arm joints and can be key components as Sensors, structural materials, and actuators. The company's carbon nanotubes have not yet been promoted in this field.