Hydraulic fitting 1.Material :Carbon steel 2.Surface:Cr+3 or Cr+6 Zinc Plating etc 3.ISO9001:2000 4.Competitive price We are a professional Hydraulic fitting, Hydraulic hose fitting, Ferrule, Hydraulic Adapter, Hydraulic connection, Hydraulic coupling manufacturer in Ningbo Zhejiang China. We specialized in manufacturing hydraulic fittings,steel fittings,stainless steel fittings etc. 15611 NPT ...