- Kum-A Hydraulic Co.,Ltd.
- Address:,Ungnam-dong ,Changwon-si
- Samyoung eng.
- Address:
- Hkc Co., Ltd.
- Address:4ba 720,Seonggok-dong ,Danwon-gu, Ansan-si
- Dahill Corporation
- Address:500 Buam-dong
- SG SERVO CO.,LTD
- Address:chalyong danjiro 135
- Polytec Co., Ltd
- Address:
- UBTECH
- Address:412-2 Sang-1dong Wonmi-Gu
- IHSUNGTECH Co., Ltd.
- Address:52-6
- Tanhay Corporation
- Address:111-84,Hwagok-dong ,Gangseo-gu
- SUNGWOO N TECH.
- Address:60-1
- DAEKEE MACHINERY CO LTD
- Address:st. 548-11, kajwa-dong
- HUAKANG Hydraulic Co., LTD
- Address:Nambumin Dong Seo Gu
- GP INTERNATIONAL
- Address:Hadan-Dong
- DONGHAE VALVE
- Address:894, Bongchon-ri, Habin-myeon, Dalseong-gun
- Hanbaek Precision Engineering
- Address:205, Shinyul Ri, Nadong Myun,
- ORIENT CO.,LTD.
- Address:Jinyoung-eup
- Sj Seal Corporation
- Address:336-1,Songnae-dong ,Sosa-gu, Bucheon-si
- Shinmyong Hydraulic cylinder
- Address:Jeongwang dong 2185-6
- Taeyoung Metal Co., Ltd.
- Address:# 909 21Centurycity Bldg, 55-1, Daeyeon3-dong, Nam-gu, Busan
- JINSAN HYDRAULIC
- Address:430-3, An-Dong