1.Different kinds of steel hydraulic adapters 2.High Quality and Inexpensive 3.Large Stock ... of experience.Provide: different kinds of hydraulic fittings, such as steel hydraulic adapters .Primary Competitive Advantages:1)Passed ISO 9001:2000 ... , carbon steel, stainless steel, plastic ect. 7)Surface Treatment: galvanized, anodized ,nickel-plated,ect.8)We have an excellent work team. steel hose fitting