SBW-HWA Assembly and Testing Line comprises an off-line controller line, off-line upper/lower HWA sub-assembly line, and a main assembly testing line. It is dedicated to producing the core component of automotive steer-by-wire systems—the steering feel simulator. Integrating advanced assembly and testing technologies, the line ensures high precision and consistency, meeting the stringent performance requirements of steer-by-wire systems and supporting efficient production and quality control.