Generally, there are few certificates for mobile phone cases. Generally speaking, the products that need to be reported for quality inspection are products beyond the scope of 3C and products that have not become compulsory products of 3C. Taobao shop owners require merchants to provide authoritative reports from third-party testing institutions with (NA5, CMA qualifications.

Mobile phone case is an ornament to protect or decorate the appearance of mobile phone. In view of the increase of mobile phone brands and functions, mobile phone cases are also diversified. According to the texture of mobile phone case, it can be divided into leather, silicone, cloth, hard plastic and soft plastic. The mobile phone case not only serves as an ornament to make the mobile phone a landscape, but also can prevent falling, water and shock.

Product certificate refers to the certificate, label or seal attached by the manufacturer to the product or product package, indicating that the product has passed the quality inspection. This is an express guarantee made by the producer for the quality of its products, and it is also the product identification obligation required by law. Taking electronic products as an example, the product certificate shall include the following contents besides the product model, name, specification, production unit and address. (1) Implement the product standard number. (2) Inspection items and their results or inspection conclusions. The products delivered in batches shall also include: batch number, batch number and part number of the sampled parts. (3) Inspection date, factory date, inspector's signature or seal of the product (indicated by inspector code).

Taking electronic products as an example, the product certificate shall include the following contents besides the product model, name, specification, production unit and address.

(1) Implement the product standard number.

(2) Inspection items and their results or inspection conclusions. The products delivered in batches shall also include: batch number, batch number and part number of the sampled parts.

(3) Inspection date, factory date, inspector's signature or seal of the product (indicated by inspector code).

Procedures for handling product inspection certificates:

1, the production enterprise applies for and receives the application form;

2, the administrative department of quality supervision review materials;

3. The samples shall be sampled and inspected by the statutory quality inspection agency;

4, submitted to the leadership for approval.