Product quality certification refers to the activity of proving that a product meets the corresponding standards and corresponding technical requirements through the issuance of certification certificates and certification marks based on product standards and corresponding technical requirements. The following introduces the types of major product quality certifications:

1. According to the attributes of product quality certification standards, it can be divided into conformity certification and safety certification.

The main basis for conformity certification is product standards. It is an activity in which a third-party product quality certification body verifies that a product meets certification standards (including product standards and quality management system standards). Or the procedure of providing written guarantee for the service to meet the specified requirements".

With the advancement of social science and technology, product safety, that is, the degree to which personal property is protected from harm during production, storage and use, has become the main content of modern product quality, especially for electrical equipment and other products. Safety is more important. . Therefore, product safety certification based on product safety standard authoritative certification is produced. Products that have passed safety certification use specific safety certification marks.

2. According to the nature or degree of mandatory product quality certification, it can be divided into voluntary and mandatory.

（1）Voluntary: Refers to product certification outside the scope of the compulsory product certification system, which is voluntarily applied by the product manufacturer; its main function is to promote the company to continuously improve the performance of the product and to continuously and stably produce to meet the standard requirements and customers Required product capabilities.

（2）Mandatory: Refers to the country's mandatory certification measures for certain products through laws and regulations, and non-certified products are not allowed to enter the market. It is generally applicable to products related to human health and safety. Therefore, safety certification is generally compulsory certification.

At present, many countries formulate compulsory certification product catalogs in accordance with laws or regulations, and implement compulsory certification for manufacturers of these products. The vast majority of industrial and agricultural products are subject to voluntary certification.

In summary, product quality certification can be divided into conformity certification and safety certification according to its attributes, and can be divided into voluntary certification and compulsory certification according to its nature. No matter which kind of certification is passed, it can be used with confidence, because no matter which way of product quality certification, there are strict conditions and certification procedures.

Source: guocai