Labour day is coming. So our off-work time begin from 29 April to 1 May,2018 . And we will back on 2 May, 2018. please forgive us if we can not answer your message in time.
May 1st of each year is the traditional festival of our country - Labor Day, which is a common festival for working people. The significance of the May 1 Labor Day is that the laborers have won their own legal rights and interests through the struggle and the tenacious, heroic and unyielding spirit of struggle. This is a historic advancement of human civilization and democracy.