Huankui Liu, a member of the Communist Party of China, was formerly a riveter at the Bulk Materials Equipment Factory of NHI. He was awarded the title of Model Worker of Liaoning Province in 1999.

      In his work, he adheres to the principle of striving for excellence and strictly controls the quality. Among the tens of thousands of roller components he has assembled, no quality accidents have occurred. He has completed eight minor achievements and one technical breakthrough.