Filling the online store with goods through 1c

Detailed technical task is written on the link https://docs.google.com/document/d/1Eyvpo5NGwnaVVA...
Please read in detail, as we need specialists with good experience of downloading through 1c to the site Bitrix-1s!!!!
The online store specializes in interior products:
Glass structures, doors, flooring, stretch ceilings