Does anybody recognize this rail or mounting system please ? SOLVED

[fourtytwo]

I wish to extend an existing system
EDIT SOLVED....I think it's PV-EZrack pro series here

 

[Barx]

Clenergy

Edit: Ah, yes, the model is indeed EZrack pro

 

[Gian]

I added a system to my roof and when I priced the correct PV parts , I decided to use 2 X galvanized electrical conduit channels. They have been up years and cost £74 delivered 6 m lengths.

 

[fourtytwo]

I added a system to my roof and when I priced the correct PV parts , I decided to use 2 X galvanized electrical conduit channels. They have been up years and cost £74 delivered 6 m lengths.

Could you amplify please, how did you attach the rails to the roof and the panels to the rails ?