1981-19951981.08Sedu Machinery was Established
- 1993.10Company name changed to S.A Machinery and moved to a larger facility in Seoul
- 1994.01Developed & Commercialized SB-Type Control Lever
- 1994.08Developed & Commercialized Manual Hydraulic Steering System(K.F. Approved)
- 1995.01Developed & Commercialized ST-Type Control Lever
1996-19991996.02Developed & Commercialized Power Hydraulic Steering
- 1996.09 Company name changed to S.A. Mart.
- 1996.12 Developed & Commercialized Hydraulic Helm Pump
- 1998.01 Approval of classification on Hydraulic Steering System by Russian Maritime Register of Shipping
- 1998.02 Exclusive Sales Contract Signed with Water Jet
(North American Marine Jet)
- 1998.06 Registered as Official Member of American Boat and Yacht Council (ABYC)
- 1998.12 Moved to a larger facility in Incheon
- 1999.04 Developed & Commercialized Engine Control Cable
2000-20052000.01Acquired CE Mark for Cylinder (EC00/00003)
- 2000.03 Developed & Commercialized Auto Pilot
- 2000.05 Developed & Commercialized Engine Remote System
- 2000.06 Acquired CE Mark for Helm Pump (BS EN ISO 10592-1995)
- 2001.07 Registered a Utility Model Right : Autopilot Steering System for Marine-use
- 2002.01 Converted to a Corporation (S. A. Mart Co., Ltd.)
- 2003.09 Developed & Commercialized Sky In-Line Surface Stern Drive
- 2005.03 Registered a Utility Model Right : Sky In-Line Surface Stern Drive
2006-20192006.05Developed & Commercialized Outboard Cylinder
- 2010.07 Company name changed to S.A. M-Tech Co., Ltd.
- 2013.11 Developed & Commercialized SA-C33 Multi-core Engine Control Cable
- 2014.06 Appointed as a "Promising Export Firm" by Small & Medium Business Administration
- 2015.04 Registered a Patent Right : Marine Steering System (Electric-Type Stand)
- 2016.01 Establishment R & D Center
- 2018.08 Acquired ISO Certification (9001:2015)
