
A defect can lead to a failure that might result in loss of life.

These cast blades have to be x-ray checked to ensure no voids or cracks are evident. An airline buys fan blades for their planes’ engines. And, in some cases, specific documents are required for certification or to show the end user/customer, that the product is safe. When does a buyer ask the supplier for a CoC?Ī buyer would typically ask for a CoC on products/components that are critical or high risk. The CoC can either be requested by a buyer to ensure the product being manufactured has been tested and passes the set criteria within a specification and meets both technical and safety requirements, or it would be a mandatory requirement as stated by country regulations and law for certain products, such as Bluetooth devices being sold in the USA.Ģ. Certificate of ConformityĪ certificate of conformity, or CoC, is issued by an authorized party (sometimes the manufacturer, sometimes an independent laboratory) and states that the product meets the required standards or specification. SDoC (Supplier’s Declaration of Conformity) for electronics being imported into the USA CoC for importing consumer goods in the USA.What should a certificate of conformity include?.When does a buyer ask the supplier for a CoC?.

