Authentication is a form of credit guarantee. Refers to the country Accredited certification bodies certify the products and services of an organization. Management and management systems conform to relevant standards, technical specifications or A compulsory qualification assessment activity.
FPC flexible circuit board, also known as "soft plate", is made of flexible insulating material such as polyimide or polyester film. It has flexibility. Short, small, light and thin are its characteristics. FPC flexible circuit boards also have one side, two side and multi-layer boards.