fjarkenarken wrote:It didn\'t come with any original manuals.
the manual says its a "heygey" table.
Heygey is a large manufacturer that produces many consumer electronics (mainly in the kitchen appliance arena). Its main website is at heygey.com. Looking at the site map convieniently sited on the front page 

.
Clicking on the mahjong box (first box on the left) will take you to their Mahjong tables site 
http://www.heygeymj.com/
They do some beautiful tables ... I managed to find their support details for you
Contact and support details
Guangdong automatic mahjong machine 希贵 Group Co., Ltd.
Guangdong Province Shunde Ronggui Town, 
South Avenue, 
No. 16A Business 
Phone: (86) 0757-28682089,28682098,28898777 
Service: (86) 0757-28682056  
Complaints Tel: (86) 0757-28682089,28682088  
Purchasing Phone: (86) 0757-28682058-823,26166604 
Brand Group Tel: (86) 0757-28682096 
Fax: (86) 0757-28897663 
Tel: (86) 0757-28682058 
Postal Code: 528305 
E-MAIL Address: 
market@heygeymj.com 
The company\'s Web site: 
http://www.heygeymj.com 
Group website: 
http://www.heygey.com"
The interesting bit is there service policy
"If you provide us with products, services or 
have any questions about dissatisfaction, including product quality, 
maintenance, service, technology and other issues, please call the above telephone complaints to the customer service department, and we will properly handle your opinions, reasonable solution quickly." <<Google Translate>>