Xinhuanet wuhan on December 2 (horse Di) on December 1, reporter with the "China dream superpower craftsman" network media to their visit to a line, came to a humble office building democratic street in wuhan, and had an interview with the national model workers, senior engineer Liu Younian operation. The prestigious golden ears, with 30 years of persistent and focused on interpreting the spirit power. Craftsmanship bell: gold ear distinguishes the sound Infiltrator (#) ground clock By tuning Liu Younian grinding...