There are several mahjong organizations in Changchun:

1. mahjong machine Agency Company is located in Geology and Mineral Garden, Kaiyun Street, Chaoyang District, Changchun City.

2. mahjong machine is located at Sunshine 100 Holiday Hotel, Ma Qi Road, Nanguan District, Changchun City.

3. Quexun mahjong machine is located at No.88 Dongsi Road, Nanguan District, Changchun City, Jilin Province.

Mahjong machine was first invented and produced in Japan. In the early 1990s, a small amount of original products were imported from Japan to China. Because of China's huge market, mahjong machine industry has entered a period of rapid development, forming a huge industrial chain.