TW-I925770-B - Roll forming systemInventorsHU, CHIH-LINGJHANG, JIN-HUCHANG, CHIH-YANGHENG, HONG ENLUO, CHENGJIA, RuiAssignees麗圓環保股份有限公司新加坡商光行者國際股份有限公司DatesPublication Date20260511Application Date20250910