Founded in 1998, 바다 이야기 슬롯 머신HN has focused on the development of eco-friendly core materials and parts related to air pollution control, and starting in 2003, succeeded in the phased localization of core materials for secondary cells that were highly import dependent. As such, 바다 이야기 슬롯 머신HN has grown by building its foundation in two main areas, environment and IT energy.

In May 2016, 바다 이야기 슬롯 머신 BM was spun off by means of physical division for specialization in cathode materials. Currently, it is taking the lead in improving the quality of life of mankind and protecting a healthy earth for the next generation with its continuous advances in the chemical filter and GHG reduction equipment fields .