Generally, it takes around 45 working days, and the specific time depends on the number of employees in the enterprise. Enterprises with a larger number of employees will have a longer certification process compared to those with fewer employees. The certificate is valid for 3 years and requires an annual review. If it is not reviewed annually, the certificate will display an invalid status. The business license of the applying enterprise must have been issued for at least 3 months. The product category being applied for must be certified within the business scope specified in the business license. After the enterprise's application for certification is accepted, an on-site audit will be conducted, and there may be rectifications for non-conformities after integration. After completing the rectifications, the enterprise can obtain the ISO9001 certification.