1999
 Started supplying Hyundai Motor Company
 QS9000 Certification acquired
	1998
 Started supplying KIA Motors
	1997
 Started supplying Samsung Motors
	1996
 Industrial technology partnership with Japan's Alpha, Harada
Establishment of Woojin Precision Co., Ltd.
						 				
						
						 
						  
						 
	2009
 Company name change: Woojin Alpha > Terasen
	2006
 ISO 14001, ISO/TS 16949 Certification acquired	
	2005
 Tower of Export Award won with the export amount of $20 million
	2001
 Woojin Alpha Co., Ltd. separated as an independent company
						 
						
						
												 
												 
												 	2023
Selected as a smart factory support project for Hyundai Motor Company partners
												 	2022
Ministry of SMEs and Startups Korea Lighthouse Factory Selected
Bronze award at the Korea Quality Circle Contest
						 	2021
 Partner Company of the Year Award for the New Car Development Division awarded by Hyundai Motor Company 
The Minister of Industry Award won at the Chungcheongbuk-do Quality Division Competition
	2020
 Chungcheongbuk-do Governor's Award won (Chungbuk Root Industry)
	2018
 Seungwon Industries M&A (Company name change: Bogo AP)
	2016
 Tower of Export Award won with the export amount of $50 million
Expansion of the second plant  	
	2015
 Taeyoung PS M&A
	2012
 Company name change: Terasen > Sambo A&T
	2010
 Largest shareholder change: Bogo Power Co., Ltd.