Hi, we have just started our company and we have being doing really well at selling french doors at affordable prices and would like to move into front doors etc at affordable prices and as many products as we can. Now we want 20 sets French Door first, UPVC, size 1800 x 2040, thickness about 70mm, Double temepered glass, open outwards, color for Anthracite grey/dark grey. Attachment is sample picture What would be the cheapest french doors you could provide? And plese send some catalog or pictures thanks.