... etc 3.ISO9001:2000We are a professional Hydraulic fitting, Hydraulic hose fitting, Ferrule, Hydraulic Adapter, Hydraulic connection, Hydraulic coupling manufacturer in Ningbo Zhejiang China. ... and EN 857 2SCFERRULE for 4SP,4SH/10-16,R12-06-16 HOSEFERRULE for 4SH,R12/32 HOSE6).Metric ... .And OEM/ODM is welcomed. carbon steel hydraulic ferrules /sleeves& 4SP,4SH/12-16 R12/06-16 by CNC machine ...