80+ certificate is not given to quality bro, it is given to efficiency, make a PSU without a brand, if its efficiency is above 80%, they will give it a certificate, the certificate has nothing to do with the quality of the material, also the certificate is an extra cost for a PSU, companies pay money to put a certificate on that model. price goes up. Also, why are you trying to compete each other's knowledge by entering into a personal discussion, you can research and learn.