Hs Chemical 1st Floor 168 Yonghyeo 302-1104(it), bucheon technopark, ssangyong 3-cha, 397 seokcheon-ro, ojeong-gu, bucheon-si, gyeonggi-do, korea, kr 302-1104(it) bucheon technopark ssangyong 3-cha 397 seokcheon-ro ojeong-gu bucheon-si gyeonggi-do korea