Existe-t-il un robinet adapté à cet évier ?

Le robinet noir suivant s'adapte à cette lavabo: https://fr.homary.com/item/support-mural-cascade-noir-mat-avec-poigne-levier-unique-en-laiton-massif-12842.html

Do you have pop-up drain which fit this sink?

Yes, you can have a look at this link: https://www.homary.com/item/gold-finished-popup-drain-assembly-without-overflow-for-bathroom-vessel-vanity-sink-10855.html

Will it be packaged well? I worry about that it may be broken.

They will be packaged well, please don't worry.

Can you recommend bathroom mirrors that fit this sink?

Yes, please have a look at this link: https://www.homary.com/item/modern-oval-20-x-28-wall-mounted-led-frameless-bathroom-mirror-antifog-41193.html

What is the weight of this sink?

The weight of the sink is 20.5 lb.

Can you recommend faucets that fit the sink?

Yes, please have a look at this link: https://www.homary.com/item/taboro-single-handle-single-hole-waterfall-vessel-sink-faucet-in-polished-chrome-10993.html