Are you interested in such a service?
The system works as follows;
You are forwarding to me telegram groups containing members that you want to add to your Telegram group.
If the group members are hidden, I can add members who are active in the group, if the group members are not hidden, all members - members who have been active in the last 1 week - members who have been active in the last 1 week
Members are added within the limits set by Telegram and the security of your group is ensured by checking spam