Certificate of conformance là gì

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You are here: trang chủ / Certifications / What Is a Certificate of Conformity (COC), and How To Get One?
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Some clients have asked us “what is a certificate of conformity” over the years, và we wrote this article to lớn answer that question.

Please note, we wrote the article only from the perspective sầu of buying a batch of products from a supplier in China/Vietnam/Thailand/India và necessitating a COC. It does NOT include motor vehicles.This article is for informative purposes only và unfortunately we will not be able to respond khổng lồ queries about CoCs.

What Is a certificate of conformity?

A certificate of conformity, or CoC, is issued by an authorized các buổi party (sometimes the manufacturer, sometimes an independent laboratory) & states that the sản phẩm meets the required standards or specification.

The CoC can either be requested by a buyer lớn ensure the product being manufactured has been tested and passes the mix criteria within a specification và meets both technical and safety requirements,or it would be a mandatory requirement as stated by country regulations & law for certain products, such as công nghệ Bluetooth không dây devices being sold in the USA.

Note: we are NOT covering the case of motor vehicles in this article.

When does a buyer ask the supplier for a CoC?

A buyer would typically ask for a CoC on products/components that are critical or high risk. And, in some cases, specific documents are required for certification or to show the kết thúc user/customer, that the hàng hóa is safe.

Let’s take an example. An airline buys người blades for their planes’ engines. These cast blades have sầu to be x-ray checked lớn ensure no voids or cracks are evident. A defect can lead to lớn a failure that might result in loss of life. Therefore, a CoC (whereby the blade manufacturer writes that the blades conkhung to lớn specific checklists) must be provided.

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In some cases, it has to be provided for EVERY part with its own serial number. In other cases, batch CoC would be good enough.

What about the cases where a CoC is requested by a country’s Customs?

Certain countries request a CoC for certain categories of imported products.

The CoC is sometimes called Certificate of Conformance or Certificate of Compliance. It is generally inspected during customs clearance if the product being imported requires it. Without a CoC, products may be impounded, confiscated, and in some case destroyed.

The main reason a CoC is required at customs is to lớn prove a sản phẩm that the product being imported meets the required standard(s).

What should acertificate of conformity include?

Elements that should be included in a CoC are:

Product identificationDescription of the sản phẩm covered in the CoCList of all safety regulations the product must passThe CoC must clearly danh mục each of the safety regulations the hàng hóa must be tested forImporter or manufacturer’s identificationProvide the name, full mailing address, và telephone number of the importer or U.S. domestic manufacturer certifying the productContact information for the individual maintaining records of chạy thử results:Provide the name, full mailing address, e-mail address, & telephone number of the person maintaining thử nghiệm records in support of the certification.Date & place where the hàng hóa was manufacturedAt last the month & year should be shown and the thành phố, state, và country needs to lớn be shown.Provide the date(s) and place when the product was tested for compliance with the consumer sản phẩm safety rule(s) cited above:Provide the location(s) of the testing and the date(s) of the test(s) or kiểm tra report(s) on which certification is being based.Identification of any third-các buổi party laboratory on who’s testing the certificate depends:The certifier must provide the name, full mailing address, & telephone number of the third-party laboratory.

Sample of CoC for a Mattress (USA)

On the US CPSC (Consumer Product Safety Commission) trang web, one can find several samples of CoCs. Here is one example.

In this example, while the mattresses were not required khổng lồ be tested by a third buổi tiệc nhỏ laboratory, the mattress manufacturer voluntarily chose lớn vì chưng so và must provide the information about that laboratory. If you vì not use a third party laboratory, you may label this section “N/A.” If the mattresses being certified are for cribs or children’s size mattresses, please see the requirements for issuing a CPC.

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One can find other examples on this website and this website.

EU declaration of conformity

AnEU declaration of conformity(DoC) is a mandatory document that you as a manufacturer or your authorised representative sầu need to lớn sign khổng lồ declare that your products comply with the EU requirements. By signing the DoC you takefull responsibilityfor your product’s compliance with the applicable EU law.


Chuyên mục: Hỏi Đáp