Hello, landlord. Nantong Changpai and Coast Mahjong chess and card games are popular in Nantong, Jiangsu Province. For example, Dayou Network Company has done a lot of game software there, such as Yizheng Mahjong, Trick, Taizhou Clip, Xinghua Mahjong, etc. Of course, Nantong Changpai and Hai'an Mahjong also have finished products, which have run past the market and are stable in operation, Therefore, compared with other companies, it should be more suitable for you, and their game wan methods are quite complete, and the price is not expensive. If you are interested, you can ask.