History
		
	
		1999
		
								
									- 04
- CEO Ryu Si-Hyuck was inaugurated as the president of Woojin
 
	 	
	
		1997
		
								
									- 11
- Acquired ISO 9002 certification
									- 01
- Select as Excellent company for labor management by National Labor Ministry
 
	 	
	
		1994
		
								
									- 12
- Won the award for excellent quality company from Hyundai Motors
									- 10
- Awarded for Industrial Awards (Ansan-si)
 
	 	
	
		1993
		
								
									- 10
- Won the award for excellent quality company from Kia Motors
									- 03
- CEO and President Ryu Hong-Woo received the Silver Tpwer Order of Industrial Service Merit
 
	 
	
		1989
		
								
									- 10
- Company name was changed to Woojin Industry Co., Ltd.
									- 09
- Entered into joint-venture with NGK SPARK PLUG CO., LTD. Japan
									- 05
- Established a labor union
 
	 	
	1988
		
								
									- 08
- Started mass production of Oxygen sensor for Kia Industrial CONCORD
 
	
		1981
		
								
									- 07
- Glow plug localization
									- 06
-  Plant was moved to Ansan-Si Gyeonggi-Do
 
	 	
	
		1980
		
								
									- 11
- Entered into a technology partnership with NGK. (Glowplug)
 
	 	
	
		1976
		
								
									- 12
- Succeeded in developing the initial glow plug for Daedong Industrial Tractors
 
	 	
	
		1975
		
								
									- 05
- Selected as an excellent copany among GMK 118 companies
 
	 	
	
		1971
		
								
									- 01
- Delivered Spark plug for Hyundai motors 20M
- First exported Golden marked Spark plug to the United States
 
	 	
	
	
		1970
		
								
									- 09
- Delivered Spark plug for Asia Motors Fiat 124
 
	 	
	
		1969
		
								
									- 03
- Production commenced at Oryu-Dong plant (Production of Spark Plug)
 
	 	
	
	
		
		1966
		
								
									- 05
- Hankook Plug Industry Co., Ltd. was incorporated