How to transfer groups of contacts from old Android to new Android phone?

[AC Question]

How to transfer groups of contacts from old android to new android phone

Hi, I have many contacts in my old android phones and many of them are categorized under different groups. I bought a new android phone and only managed to transfer all the contacts without grouping to my new phone, how can I have the same grouping of contacts in my new phone?

My way of transfer: Export all my contact in old phone to Vcard file (no option to export to CSV file), save Vcard file in my PC, then import the file to my new phone.