Seoul head office
5F, samwoo B/D, 416-10, Jangan1-dong, Dongdaemoon-ku, seoul, korea
TEL : +82-2-2242-7811~5 , FAX : +82-2-2242-7816

Shihwa Factory / R&D center
1ma 202, shihwa Industrial park, 135-1, jungwang-dong, siheang-si, kyungki-do, korea
TEL : 031-433-5711 , FAX : 031-433-5714

QINGDAO DONG IN TEXCHEM CO., LTD
Jinling Industrial Park Jihongtan Town, Chengyang, Qindao
TEL : +86 532 8790 9746, 9747 , FAX : +86 532 8790 9748

SHANGHAI LIAISON OFFICE
7-401, 91NONG, JINHUINANLU, SHANGHAI, CHINA
TEL : +86 138 1612 4778, FAX : +86 21 3432 0513