Changsha Mahjong Beijing Xuxin Kesheng Instrument Equipment Co., Ltd. (hereinafter referred to as Changsha Mahjong) is a professional service company integrating research and development, production, sales and technical services of sample grinding and crushing pretreatment instruments. Mahjong is a four-player domino game, which is very popular in China cultural circles. China, Guangdong, Hong Kong, Macao and southern Fujian, commonly known as sparrow. Mahjong is a game method invented by ancient people in China, and it is also an entertainment appliance. Generally, bamboo, bone or plastic are used to make a rectangular box with patterns or words engraved on it.
At the same time that the horse brand was popular in the Ming Dynasty, an entertainment device called "playing cards" was also derived from the horse brand. There were 60 cards at first. When playing cards, four people each take ten cards first, and then take cards and play cards in turn. One family plays cards, and two or even three families say at the same time that the first one to get the card wins. These items and playing methods are very similar to today's mahjong tiles. This card game is always silent in the process of playing, so it is also called silent card.