Desay SV is one of the world's leading automotive electronics companies. The company established a technology research and development center in 1992 to conduct independent research and development of automotive electronic systems. They have very strict standards on supplier's qualifications and product qualities. Our high-speed roller doors have effectively helped them save much space and enhance work efficiency. Except for high-speed doors, we also produce industrial sectional doors, dock shelters for them. As we have strict standards on qualities as well, that's why they always choose us.