欧尚二方验厂年审时间
Grade A : 90%~100% [Re-audit every 3 years] Grade A-: 80%~89% [Re-audit every 2 year] Grade B : 60%~79% [Re-audit every 1 year] Grade B-: 50%~59% [Re-audit after half year] Grade C : Below 50% [Not acceptable]