This post noted elsewhere that when invited to a social gathering, especially where you want to establish business ties, it pays to bring a gift, or something to share for that occasion: wine, fresh fruits, pancit, fried chicken in a barrel. Its a no no to just come with bare hands and feet.
I remember we had a midwife agent before and she always brought something for the kids whenever she visited the house - candies, biscuits what not.
Its taught in business school. This establishes bond, a connection which the other party may not forget. It gives you an image of leadership, generosity, and high stature