If you have any questions, suggestions, or inquiries, please feel free to contact us through the following methods:

Company:Shanghai Qianwang Business Information Consulting Co., Ltd.

Tel:+86 18809759461

Email: service@Mahjongdeck.com

Address:Room 1602A-2110, No. 11, Lane 803, Shuangcheng Road, Baoshan District, Shanghai

Business Hours: Monday to Friday, 9:00 AM – 6:00 PM (EST)