Wanjun Co., Ltd. is the company that researches, develops and produces direct current power supply(AC-DC) and injection molded product professionally since its foundation in 1990. Based on our differentiated technical skills over 20 years, we have been growing steadily against severe competition and threat. Especially in 2012, we obtained ISO 9001:2008 certification, which became the opportunity for us to reorganize production system and make a new leap forward through quality improvement and we are certified as venture business by Technology Guarantee Fund. Being selected for school-industry cooperation technology development pro-ject by Small and Medium Business Administration in 2013, we are accelerating development for excellent product that our company’s technology is grafted onto fresh academic idea. Also we have established a bridgehead for continuous technology development by entering into an agreement with KyeMyung University, being community college, as school-industry cooperation family company. Besides, we achieved excellent result that our battery charger (KSM400-3) is selected as by Small and Medium Business Corporation, being product of small and medium-sized promising business. Based on these results, Wanjun Co. Ltd declare this year as second foundation year and wish to become a small but strong company which grows rapidly. Based on our long time experience and accumulated technology, we will try our best to become the company which provides more advanced living to the people of whole world as well as Korea, and contributes to humanity and community.