What's the average price for auto detailing on a sedan?

It varies by location and service level, but on average, a basic auto detailing for a sedan might cost between $100 and $200. For a more comprehensive service, including interior and exterior detailing, it could range from $200 to $400.

What problems of clay bar sloved by Brilliatech; 
in 2006-2009

we sloved the stable feature of clay bar;  let the clay bar can use in wide temperature,and also better for shipping process and stock.  
in 2009-2012;  
we not only slove the stable temperature, also let the clay bar use in wide PH Acid alkali environment, So some clay bars can use with car cleaner together.  about PH 6.5-7.5. 
after 2015; 
our King clay bars keep good performance on the clay marketing. and more and more customer like Brilliatech Clay for OEM (custom clay products) 
in 2016-2019; 
custom clay is hot,  some cusotm like with orange smell, we help them to develop in orange color and orange smell.   
in2020-2030: 
we try to push auto-machine for clay process, and package process; 

let worker cost down, to repair material cost up.  
also, try to push all new formula of clay bar and new process 
let clay bar keep a nice price and great quality.