For Neutron and Gamma Detectors:

SST Corporation
Rm1518 Seongji Heights 1st
702-13 Yeoksam-Dong,
Gangnam-Gu, Seoul, 135-080
Republic of Korea

Contact: Suh, Soo-Hyun/ Suh, Min-Won (Lisbela)
President
T: +82 2 3453 4190
F: +82 2 3453 9500
Email:  
Website: www.sstcorp.co.kr

For all other products:

DongWoo Optron Co., Ltd.
611-5, Maesan-Ri, Opo-Eup,
GwangJu-si
Gyunggi-Do, 464-893
Republic of Korea

Contact: Donghyun Kim / HongGwan Jun
Optical Sales Dept.
T: +82 31 765 0300
F: +82 31 765 0222
Email:
Website: www.optron.co.kr