1973 Established in 1973 by President Mr. Tsai I-Sin.
1978 Established local agents in Taipei, Taichung, Chiai, Tainan and Kaohsiung.
1981~1984 Installed precise computer master cam grinding machine form Japan Toyoda.
1986~1987 Became the first only overseas supplier of YANMAR.
1988~1989 Awarded excellent supplier from KYMCO.
1992 Established factory in Thailand.
1993 Awarded "A Grade company" from China Motor (Taiwan Mitsubishi)
Became official supplier of Honda Motor in Japan.
1994 Acquired ISO9002 certificate Thank-You letter from YANMAR.
1995 Established factory in China.
Began production of gallery cooling pistons. 
1998 Acquired QS9000/ISO9001
Began Auto CNC Machining line
2000 Began ERP system
2001~2002 Became official supplier of Yamaha Motor Taiwan.
Established factory in Vietnam. 
2004 Completed Auto casting system.
2005 Completed graphite (MOS2) printing facility
Acquired TS16949/ISO9002 certificate 
2006 Awarded "Best quality & management" from YANMAR in Japan
2008 Evaluated "A grade company" in KQS(KYMCO Quality System) project
2010 Awarded "Excellent supplier of Year 2009" & excellent daily performance.
Quality system evaluation certificated from Yamaha Motor Tiawan. 
2011 Qualified to participate in Quality Management Upgrade project held by BMW & KYMCO.
Mass production of forged piston for the engines which have been developing under technical cooperation between BMW & KYMCO.  
2015 Imported CNC Profile turning machine from Japan KANZAKI.