Leekun Industrial Systems Co. Ltd. 42-110 Gyeongbook daero Baramgolgil Gyeong-gi-do 12070 Korea;
Energyin Co. Ltd. 176 Cheoldobangmulgwan-ro Uiwang-si Gyeonggi-do 16105 Korea;
Busan Transportation Corporation Jungang-daero 644beon-gil 20 Busan 47353 Korea;