Application field:Hydraulic support,Pneumatic Cylinder StandardJIS, GBStandardJIS G3454-2007, GB/T 3639-2000Grade10#-45#, Cr- ... - 800 mmPlace of OriginShandong, China (Mainland)Secondary Or NotNon-secondaryApplicationHydraulic Cylinder/Pneumatic CylinderTechniqueCold DrawnSurface TreatmentBK,BKW,BKS,NBK,GBKAlloy Or NotNon ...