Not the best source for this. As in it's light on details. For one the LHC was designed to have a maximum collision energy of 14 TeV. The CEPC is designed for

Not the best source for this. As in it's light on details. For one the LHC was designed to have a maximum collision energy of 14 TeV. The CEPC is designed for more like 70 TeV. The goal of higher end is to make relatively infrequent products much more common. It says in the article they want to produce more Higgs bosons and this is how that happens.