2). Quality Guarantee ISO9001:2000; TS16949 3). Used for ：Use for automobile, agricultral machine, etc. 4). Material ：Steel 45#, 60#, As per customer's requirment 5). Production Standard ：According drawing or sample to manufacturing. OEM is available too 6).Manufacturing Method ：Casting or forging, machining 7). Surface Finish ：Heat treatment, rust prevention 8). Inspection ：The production is inspected OK before package 9). Inspection Method ：Assembly shaft with dynamic balance test to avoid virbration. Spare parts check measurement 10). LOGO on product :Neutral with no logo, or as per customer's requirment 11). Painting :Black/ yellow/ red color paint against rust 12). Package Material ：PVC bage + cartons + wooden pallets More detail of our factory and products please check: www.yjautopart.com,