-1971 PROTOTYPE OF SAN YOU HOLDING GROUP CO.,LTD ESTABLISHED -1997 SAN YOU HOLDING GROUP CO.,LTD ESTABLISHED -1999 SAN YOU HOLDING GROUP YINYOU MOTORCYCLE CO.,LTD ESTABLISHED Two assembly lines with an annual output of 100,000 vehicles Supply the scooter with GY6 engine 50CC、80CC 、125CC and 150CC ; Models with Honda version engine 100CC 、110CC ； Models with Yamaha version 100CC 、110CC ; Models with G16 engine type or J23 engine type ; - 2003 ISO 9001:2008 APPROVED - 2004 SANYOU MOTORCYCLE START SELF-EXPORT BUSINESS - 2006 FACTORY OF ENGINE (SANYOU BRAND ) ESTABLISHED One assembly lines with an annual output of 100,000 units - 2006 FIRST MODEL APPROVED BY EEC - 2014 BRAND “SYMCO” REDGISTERED OF MADRID - 2019 ESTABLISH A BRANCH IN THE SOUTHEAST ASIAN MARKET