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If the products of the enterprise are within the validity period of the safety mark, but there are changes in the business registration information, production conditions, or product technical documents of the certificate holder, they need to apply to the national agency for a change in the safety mark.

1、 Apply

If the product of the certificate holder needs to be changed within the validity period of the safety mark, an application for change shall be submitted to Zhongnuo Testing. The change content includes changes in the legal representative, residence, registered capital, technical personnel, inspection personnel, production equipment, inspection equipment, and product technical documents of the certificate holder.

2、 Initial review/acceptance

Zhongnuo Testing conducts preliminary review of application materials and accepts those that meet the requirements.

3、 Change assessment

(1) For changes in the business registration information of the holder, those that meet the requirements after review shall be recorded; For those that require further verification through on-site evaluation, after confirming that the changes comply with the relevant management regulations for safety signs, a safety sign certificate will be issued.

(2) If there are changes to the product technical documents, national institutions shall organize the review and evaluation of the changed content, and determine the audit process that should be carried out for the changed product.

4、 Technical review

For those that require technical review, it shall be conducted in accordance with the requirements of the technical review procedure, and the content of the technical review shall generally only focus on the changed parts.

5、 On site evaluation

For those that require on-site evaluation, follow the requirements of the on-site evaluation procedure.

6、 Product Inspection

For those that require inspection, follow the inspection procedure requirements, and the inspection items should only involve the changed parts in principle.

7、 Final review, replacement of safety sign certificate

Zhongnuo Testing will submit relevant reports to national institutions. After receiving the relevant reports, the national institutions will conduct a final review of the changed products. Qualified products will be re filed with technical documents or replaced with safety mark certificates. When replacing the certificates, the certificate number and validity period will remain unchanged.

8、 Choosing Zhongnuo Testing, we can provide the following services:

(1) Develop a work plan based on the actual production, technology, and product situation of the enterprise, and carry out and complete the overall work from product application to certification according to the plan;

(2) Provide institutional certification model references and make suggestions;

(3) The enterprise shall provide corresponding technical materials for application, such as drawings, manuals, and details of supporting parts; We can provide a reference template (for first-time applications);

(4) Collecting, organizing, and submitting application materials, with a one-time qualification;

(5) Provide process information templates such as production process flow diagrams, process cards, assembly cards, and product information templates that meet the requirements of the organization (for first-time applications);

(6) Provide product inspection procedure templates and guide enterprises in preparing factory inspection reports that meet standards;

(7) Maintain communication with the laboratory to ensure timely arrangement of on-site product inspection time and cooperate with the company to complete technical data rectification;

(8) Communicate with national institutions on specific matters such as the time and project of on-site evaluation;

(9) Establish a system document that meets the requirements of the "Guidelines for On site Review of Safety Signs"; Such as coal mine safety requirements, safety standards and quality manuals, procedural documents, management systems, equipment operation procedures, inspection procedures, training plans, test papers, production records, inspection records, maintenance records, and other materials;

(10) On site production guidance, training, review and communication of response skills; On site pre evaluation and improvement of evaluation content;

(11) Review to ensure approval (hardware must meet requirements);

(12) Collaborative enterprise rectification

(13) Assist in evidence collection