US HQ Office

Houston TX 77059

1 408 585 9948
886 918 876 478

E-Mail: info@gransystems.com


Our Departments

TW HQ Office

886 3 280 5884

Jongli Factory

886 3 280 5884

Europe Office

886 918 876 478
Gran Systems

System Integration | Think Tank

E-Mail:   info@gransystems.com