History
				
					1992
					
						- 05
 
						- Established Seyoung Engineering Company.
 
						- 05
 
						- Started the business of temperature controller and heat meter.
 
					
				 
				
					2000
					
						- 05
 
						- Developed electronic temperature controller.
 
						- 07
 
						- Changed the company name and corporate body to Seyoung Hi-Tech Co., Ltd.
 
						- 11
 
						- Registered the utility model of valve actuator that has a verifying function of operation. 
 
					
				 
				
					2003
					
						- 02
 
						- Registered the design of electronic temperature controller.
 
					
				 
				
					2004
					
						- 10
 
						- Registered the utility model of valve actuator for hot water distribution for heating.
 
						- 12
 
						- Registered the utility model of temperature control device for heating by Micom controller.
 
						- 12
 
						- Registered the utility model of valve electric opening/closing device for hot water distribution.
 
					
				 
				
					2005
					
						- 02
 
						- Applied for valve patent for hot water distribution that has flow control structure and registered the utility model.
 
						- 03
 
						- Acquired a certificate for high-efficient energy apparatus.
 
						- 04
 
						- Registered the design of temperature controller for heating.
 
						- 06
 
						- Business subscription for industry family.
 
						- 08
 
						- Certificate of valve actuator.
 
					
				 
				
					2006
					
						- 12
 
						- Recognized as CLEAN workplace
 
					
				 
				
					2007
					
						- 03
 
						- Registered the utility model of valve actuator for hot water distribution for heating.
 
						- 10
 
						- Recognized as small and medium-sized business for technical innovation (Innobiz)
 
					
				 
				
					2008
					
						- 01
 
						- Applied for design registration of temperature controller(ravi.F).
 
						- 03
 
						- Recognized as a venture company.
 
						- 04
 
						- Exhibited ravi.F in the first floor lobby at Gyeonggi Technopark.
 
						- 05
 
						- Registered a design of valve actuator for heating.
 
						- 05
 
						- Patent-Valve for hot water distribution that has the flow control structure certificate.
 
						- 05
 
						- Patent-Hot water distributor for heating that has the flow control and temperature control structure certificate.
 
						- 05
 
						- Patent-Valve for heating that has the flow control and temperature control structure.
 
						- 05
 
						- Recognized as a company proficient in components and materials.
 
						- 07
 
						- Released a flow control valve.
 
						- 07
 
						- Released a new product, motor actuator.
 
						- 09
 
						- ISO-9001 Certification.
 
						- 12
 
						- Brand registration of ravi.F
 
					
				 
				
					2010
					
						- 09
 
						- Released the system temperature controller.
 
					
				 
				
					2012
					
						- 07
 
						- Released fixed flow valve.
 
					
				 
				
					2016
					
						- 03
 
						- Mini thermostatic actuator.
 
					
				 
				
					2018
					
						- 05
 
						- Released a changeable fixed flow valve.
 
					
				 
				
					2023
					
						- 01
 
						- Released a new product, temperature controller [Edge], [You]