
Daegu R&D Center
- Address16, Technosunhwan-ro 3-gil, Yuga-eup, Dalseong-gun, Daegu
(1136-1, Geum-ri, Yuga-eup, Dalseong-gun, Daegu)
- Operation Preliminary research, Design, prototype production and verification, test evaluation, etc.

Suwon R&D Center
- Address8th Floor, 156, Gwanggyo-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do (8th Floor, Gwanggyo Business Center, 1322-1, Iuidong,
Yeongtong-gu, Suwon, Gyeonggi-do)
- Operation Design, preliminary analysis, etc.

PHA India R&D Center
- Address C-16 & C-25, Sipcot Indl. Park, Irrungattukottai, Sriperumbudur, Tamil Nadu, India-602 117
- Operation Design, prototype production and verification, test evaluation, product development, etc.

PHA China R&D Center
- Address Guangzhou Road, Economic Development Zone, Taicang, Jiangsu, China
- Operation Design, prototype production and verification, test evaluation, product development, etc.

PHA Europe R&D Center
- Address Unit1 Mound Pleasant Street West Bromwich B70 7DL England
- Operation Design, product development, etc.