Electric Hammer Drill,Hammer Electric,Breaker Hammer,Electric Air Hammer Ningbo Hoya Electronic Commerce Co., LTD , https://www.jauhitools.comAccording to the "Decision of the State Council on Amendment", China's Superhard Materials Network's 2012 Ching Ming Festival holiday time is: April 2 to 4, a total of 3 days of holiday, 5 (Thursday) normal work. During the holiday, all functions of the website functioned normally. Thank you for your help and support for China Superhard Materials Network! 