ISO CERTIFICATION
Audit Duration
the Number of
employees 		Initial
(Stage 1,2) 		Surveillance Renewal
1~20 3 2 2
21~50 4 2 3
51~100 5 2 3
101~300 6 2 4
301~1,000 7 3 4
1,001~2,000 8 3 5
2,001~4,000 10 3 6
4,001 ~ - Increase as above -