National Day, also known as National Day or National Day, is a statutory holiday established by a country to commemorate the country itself. It is usually the independence of the country, the signing of the constitution, or other significant anniversary. On this day, a variety of celebrations are held in each country. In ancient China, the emperor's throne and birthday were called "National Day." In these seven days of small scenes, I hope you have a good time and have a good time. Lou's Machinery is always with you!