- Seong Duck Techwin
- Address:#74, Seobu-ro 1409beon-gil
- Sam Sung Nonferrous Metal Co.,Ltd.
- Address:1050.NAESAMLI, JUCHON-MYUN, KIMHAE-si
- Power-Genex Ltd.
- Address:
- K-TOPVALVE CO., LTD
- Address:# 582-4 hwa jeon dong
- Naiads ENG Corporation
- Address:1909 Yoksam Height Bldg. , Yoksam-dong, Gangnam-gu
- FLEX SOLUTION
- Address:# 34-207, SHIWHA POWER SHOP CENTER, 1364, JEONGWANG-DONG
- Tsm Corporation
- Address:482-8 Taejeon-dong,Taejeon-dong ,Gwangju-si
- KOREA GAS ENGINEERING
- Address:# 4103, 67, Imhak-dong,
- HAEIN TRADING CO.
- Address:1320ho dae heung interbil jungang dong
- Sammi Machinery Co.
- Address:437-1,Jinae-dong ,Gimhae-si
- Tae Chang Precision Co.,Ltd.
- Address:1635-4,Songjeong-dong ,Gangseo-gu
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