... experience.Provide: different kinds of hydraulic fittings, such as stainless steel fastener .Primary Competitive Advantages: 1)Passed ISO 9001:2000 ... steel, stainless steel, plastic ect.7)Surface Treatment: galvanized, anodized ,nickel-plated,ect.8)We have an excellent work team. different size metal ... colour zinc-plated stainless steel fastener