• Corporate Name：Guangzhou Tosyeason Electronics Technology Co., Ltd. （Headquarters）

    Postal Address：6th floor, building 15, North Tian'an energy saving science and Technology Park, Panyu Avenue, Guangzhou, China

    Service Telephone：400-8780-870

    Director：Manager Yu 

    Mailbox：yuwj@tsys-av.com

    Telephone：020-85250755

    Postal Code：511400

    Website：www.tsys-av.com

    Domestic market contact email： 

    East China：huadong@tsys-av.com 

    South China：huanan@tsys-av.com  

    North China：huabei@tsys-av.com 

    Southwest：xinan@tsys-av.com  

    Central China：huazhong@tsys-av.com 

    Northeast：dongbei@tsys-av.com 

    Overseas market contact email： 

    Asia：asia@tsys-av.com 

    Europe：europe@tsys-av.com 

    North America：n_america@tsys-av.com  

    South America：s_america@tsys-av.com  

    Africa：africa@tsys-av.com  

    Oceania：oceania@tsys-av.com  

    Russia：russia@tsys-av.com 

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