Detailed Product Description hydraulic fittings and adapter1. Material: Carbon steel, brass, alloy steel, stainless steel, ... Annealing, aging, normalizing 4. Standards: Follow JIC, SAE, DIN, JIS and ISO9001 standard 5. We are ISO9001: 2008 certified. 6. Trademark ... 1, 000, 000pcs 12. We can supply the high quality hydraulic fittings, adapters and quick couplings as per customers drawings or samples.