1986　Established Probe Industrial Co., Ltd and LAI brand.

              Specializing in R&D and Manufacturing Automotive Parts.

1990　Established YSK Brand to Expanding Global Market.

1991　Shifted Focus to Automotive Oil Pump.

1994　Obtained ISO-9002 International Quality Assurance Certification.

2001　Obtained QS-9000 International Quality Assurance Certification.

2007　Obtained ISO/TS-16949, the Highest Quality Assurance Certification for Automotive Industry.

2011　Inauguration of the Newly Constructed Headquarter and Production Line

2013　Launched Production and Sales of Power Steering Pump