Manufacturers of specified electronic devices are obligated to attach a CEL label to their goods to inform China-based consumers of the product's energy efficiency.
The CEL aims to encourage customers to buy energy efficient products.
[3] Applications are to be filed at the China Energy Label Center (CELC), which is the main authority for CEL-classification.
[4] Since the introduction of China Energy Label in 2005, more than 25 product groups have become CEL-mandatory, while additional classes continually being added to the product catalogue.
For every product that requires CEL, a GB-Standard has been implemented.