On May 1, 2017 is the annual international labor day, it belongs to the whole world labors.In December,1949, China formally established May 1, as the labor day.on this day ,To honor national model workers and advanced workers, to express respect , recognition and encouragement for labor workers. Yuming staff had once won a May 1 labor medal for the outstanding ability.Yuming valve group as a professional valve manufacturer, rooted in the laborer. At last ,Happy international labor day.