日本油研工業株式會社成立于1956年，至今已有50多年歷史，作為日本最大的液壓生產廠家，產品遠銷世界各地。
其生產的產品有：日本油研油缸 液壓缸 泵，液壓泵，液壓閥，液壓馬達，電液比例控制閥、壓力閥，流量閥，方向閥，比例閥，
疊加閥，插裝閥，液壓附屬配件及液壓回路設計等。該公司產品廣泛應用于打包機械，注塑機械，橡膠機械，油壓機械，壓鑄機械，
塑料機械，工程機械，機床機械，鍛造機械及行走機械等。

銷售日本油研CJT35、CJT70/140、CJT210系列標準液壓缸，CBY14L、CBY14N薄型液壓缸等系列

日本油研YUKEN油缸 日本油研YUKEN油壓缸 日本油研YUKEN液壓缸 日本油研YUKEN液壓油缸型號列舉：

CJT210-FB63B30C-ADB-ED CJT140-FY32C200B-ABD CJT140-SD40A100B-ABD-E-20
CJT140-FY63B100B-DBB-EK-20 CJT140-FY63B120B-ABB-EK-20 CJT140-FY125B1000B-ABD
CJT140-FY63B120B-DBB-EK-20 CJT140-FY125B1000B-ABD CJT140-FY32C200B-ABD
CJT140-CA40B75B-ABB-EK-10 CJT35L-FA40S50N-BND-K-20 CJT140-FY63B100N-ANB 
CJT70-FA32B300B-ABD-EK-20 CJT70-FF40A80B-ABD-20  CJT140-FF50A520H-ABD-20
CJT70-LB80C400B-ABD-20 CJT70L-TC40B70B-DBB-20 CJT140-CA63B125B-ABDK 
CJT140-CA80C395B-ABD-L-20 CJT140-FE50A100H-ABD-20 CJT140-FF50B505N-AND-EK-20 
CJT140-FE220C1400B-ABD-20 CJT140-LA100C160B-ABD-20 CJT140-125BB350ABD-EK 
CJT140-LA100C210B-ABD-20 CJT140-TA100B240B-ABD-20 CJT140-LB200B310N-ABD-E-20
CJT140-LB40B150-B-BAD-K-20 CJT140-LB40B260-B-DAB-K-20 CJT140-LA100C210B-ABD-20
CJT140-TC50B77B-ADB-20 CJT210-FA63B100-BAD-20 CJT140-FC80B400B-DCB-20
CJT210-FA63B100-DAB-20 CJT210-SD80B190-BAD-20 CJT140-SD250C660B-ABD-E-20,
CJT70-CB150A310R-ABD-EK-20。CJT35-LA32S500N-BBC-K-20。CJT70-SD160A580B-ABD-EHM
CJT210-SD80B190-BCD-20 CJT140-LA100C210B-ABD-20 CJT140-LA80A640B-DBA-EK-20 
CJT140-LA100C160B-ABD-20 CJT140-LA100C210B-ABD-20 CJT140-FE50A100H-ABD
CJT35L-FA40S50N-BND-K-20 CJT140L-LB40B780B-ADB-EKY52-20 CJT140-FE220C1400B-ABD-2
CJT70-FA32B300B-ABD-EK-20 CJT140-LA80A640B-DBA-EK-2013-086 CJT140-FE63B850B-ABD-EK-20
CJT140-LA80A640B-DBA-EK-2013-086 CJT140-LA80A640B-DBA-EK-2013-086 
CJT70-FF40A80B-ABD-20 CJT70-LB8000B-ABD-20 CJT140L-FY63B380NABD-EKX-20
CJT70L-T0B70B-DBB-20 CJT140-FF63B415N-ABD-EK-20 CJT140-SD63C100B-ABD-E-20
CJT140-CA80C395B-ABD-L-20 CJT140L-LB40B905B-ADB-EKX10-20 CJT140-CB63C700B-CDA-M-1152-473
CJT140-FE50A100H-ABD-20 CJT140-FF63B630N-AND-EK-20 CJT140-FE220C1400B-ABD-20 
CJT140-LA100C160B-ABD-20 CJT140L-LA50B50B-BDAA-Y52-L2021-020 CJT140-LA100C210B-ABD-20
CJT140-LA100C210B-ABD-20 CJT140L-FY80A1050B-ACC-EKY52-2012-095 
CJT140-TA100B240B-ABD-20 CJT140-FF50C415B-ABD-EK-20 CJT140-SD50A100B-ABD-E-20
CJT140-LB40B150-B-BAD-K-20 CJT140L-FY80A880B-ACC-EKY52-2012-094 
CJT140-FF80B420B-ABD-EK-20 CJT140-LB40B260-B-DAB-K-20 CJT140-FY40C310N-ABD-E-20