重庆ISO9001认证证书的有效期

　　一般，　重庆ISO9001认证证书有效期为3年; 但是前提是企业必须接受认证机构的监督审核，即年审; 监督审核频率一般为每12个月一次，即一年一次，所以叫年审; 一些公司将会较为独特，权威认证规定6个月或是10个月规定年检一次； ISO验证审批都是提早通告時间，一些验证是飞行检查即不通告查验随时随地将会抵达加工厂突查。

　　In general, chongqing ISO9001 certification certificate valid for 3 years; But the premise is that the enterprise must accept the supervision audit of the certification body, that is, the annual audit; Supervision audit frequency is generally every 12 months once, that is, once a year, so called annual audit; Some enterprises may be special, certification bodies require 6 months 10 months to require an annual audit; ISO certification audits are conducted with advance notice, some of which are flight inspections that may arrive at the plant at any time without notice.