During 4th, April every year , it is Chinese Tradition Holiday–Tomb-Sweeping Day.  It is the day to memorized the dead people, In this day, People will go home and sweeping the Tomb for their dead relatives,   Also after this day, we may say the weather will goes well and good to cultivate .   Our company will have this holiday from 4th to 6th, March. Any inconvenience, pls send a email to us at sales@cool-chiller.com,  or make a call to 0086-13823390702.