I'm 100% positive you didn't use this method
the only way to get true chrome look without plating is spend a good chunk of change on the right equipment and proper materials, there are hundreds of video that will show you how simple it is, it just takes some money, don't quote me on this, but I believe their system was around 10-12k about 8-9 years ago, when I did some research back then,it has progressed alot and is much easier now,I think they use ionized water in application.
The one of the most important details in application, the surface must be slick as glass