Detailed Product Description hydraulic fittings and adapter1. Material: Carbon steel, brass, alloy steel, stainless steel, aluminum alloy 2. Finish: Polishing, power coating, zinc plating, painting 3. Heat treatment: Annealing, aging, normalizing 4. Standards: Follow JIC, SAE, DIN, JIS and ISO9001 standard 5. We are ISO9001: 2008 certified. 6. Trademark: OEM 7. Origin: Made in China 8. Payment: T ...