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Technology Development Status

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Founded in 1983, Dongyang Engineering Co., Ltd. has been continually making efforts to develop and secure its own technologies that can localize refrigeration and air conditioning equipment in Korea's market.

As we have been working on industry-academic cooperation projects for technical development as well as our own research and development activities, we have significantly contributed to the advance and development of Korea's technologies and competitiveness in the international refrigeration and air conditioning market.

Consistent with the current circumstances in which the global interests on global warming and ozone layer destruction as well as development of relevant technologies are required in compliance with the international environmental policy, we have been devoting ourselves to the development of eco-friendly technologies through the implementation of CO2 reduction, waste reduction, and recycling improvement.

Classification	Development period	Title of technology development project	Sponsor and Supportive Organization
1	1983. 10 ~ 1985. 3	Development of 8 valves including a refrigerant stop valve	Dongyang Engineering Co., Ltd.
2	1990. 5 ~ 1991. 3	Development of a vacuum freezing dryer	Dongyang Engineering Co., Ltd.
3	1992. 9 ~ 1994. 12	Development of coil cooling automatic gas purger	Dongyang Engineering Co., Ltd.
4	1992. 10 ~ 1994. 9	Development of 6 valves including an evaporative pressure control valve (EPR)	Dongyang Engineering Co., Ltd.
5	1992. 10 ~ 1995. 3	Development for the localization of high efficiency evaporative condenser	Industry-based technology development project Joint development with Korea Institute of Industrial Technology
6	1996. 7 ~ 1997. 6	Study on the optimal operation of a fan used in the refrigerator heat exchanger	Joint research with Korea Institute of Industrial Technology
7	1995. 4 ~ 1997. 7	Development of high efficiency aluminum unit cooler	Production technology development project Joint development with Korea Institute of Industrial Technology
8	1997. 5 ~ 1999. 12	Development of 11 valves including a fluid control solenoid valve	Industrial technology development project Korea Association of Machinery Industry
9	1998. 8 ~ 1998. 11	Study on the corrosion of aluminum alloy fin tube, corrosion prevention theory, and corrosion preventive processing method	Joint research with Korea Institute of Industrial Technology
10	1998. 12 ~ 1999. 7	Utility model for development of aluminum alloy fin tube, No. 0169554	Dongyang Engineering Co., Ltd.
11	2001. 11 ~ 2002. 3	Development of a high efficiency aluminum evaporative condenser	Technical innovation project: Small and Medium Business Administration Dongyang Engineering Co., Ltd.
12	2002. 3 ~ 2003. 3	Development of a high efficiency plate type industrial ice machine	Dongyang Engineering Co., Ltd.
13	2003. 4 ~ 2004. 3	Development of a large capacity refrigerant recovery apparatus	Dongyang Engineering Co., Ltd.
14	2004. 5 ~ 2006. 8	Development of a high efficiency industrial cold air dryer	Dongyang Engineering Co., Ltd. Industry-academy cooperation research project with University of Incheon
15	2008. 12 ~ 2009. 11	Patent for the development of a high efficiency refrigerant recovery and recharging apparatus, No. 10-0936464	Technical innovation project: Small and Medium Business Administration Dongyang Engineering Co., Ltd.
16	2012. 2	Trademark Application REFSAVER, PUREEZER, STRONGACE	Dongyang Engineering Co., Ltd.
17	2013. 2	Patent registration for a high efficiency fire extinguishing medium recovery and recycling apparatus	Dongyang Engineering Co., Ltd.