Do you support Dentsply Xive Friadent implants and multiunit for full arch bars and prosthetics?

Yes we do 
It is called the "T-Series" in the NT Trading Library. 

Thank you

do you make Ti thimble bars for full arch cases? $300??

Yes we do. 
If you want High Definition, it only costs $300 more.

I saw you do chrome implant bars. Are these designed for porcelain application? If so do you have a sheet on CTE for porcelain application. Also is this something you can design from my scan? Thanks oh saw the answer to my first ?

They are approved for Metal Ceramics. 
For more information please visit the Bego M-CO Offical site. 
As of 11-10-2021 we do not offer design services for bars. 
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Thank you

Do these bars have the connection milled into the bar or do you need to use ti-bases with these bars

As long as the bars are Non-Engaging we can mill them. 
We do not mill interfaces.

Is this $599 per implant? per tooth? or per arch?

Per Arch regardless of the number of implants.

is this Bego chrome cobalt bar for firing porcelain directly on to?

Yes.

If I design a bar similar in style to the one you offer/advertise for the "Alien Implant Titanium Bar" using a direct to Multi Unit Abutment connection, can I send you the .stl and you would mill it? Is that the $1,032.00 bar, or would that be a different price?

It will be $1032. 
Chrome Cobalt is milled almost 3x slower than Titanium.

is this better than a titanium milled bar for an all on x case?

We prefer Titanium.