I would like to include both my Facebook Pixel id and customer\'s Facebook Pixel id in one page, so both of us can have some insight about users, and customer can also creat
The Facebook Conversion Pixel code has been updated to enable advertisers to track multiple pixels within the same web page. Previously if you had multiple versions of the Conversion Tracking pixel on the same page caused collisions and led to data loss. The new code also makes it easier to track in-page actions such as clicks on a button.
See this.