Harmonic gear, which refers to machinery that plays a key role in controlling motion, was a key issue, he said.
China's robotics effort is supported by President Xi Jinping's policy of developing “new productive forces” in technology – a point highlighted in brochures for last week's event.
Across China, the world's biggest market for industrial robots, increasingly sophisticated technology is changing the face of traditional sectors such as manufacturing, automobiles, agriculture, education, as well as healthcare and home services.