He said it was important to have good personal relationships with trading partners, so disagreements did not burn bridges.
"Life is about relationships. It doesn't matter if you're talking about in personal situations or business - if you can get on with people and connect then any disagreements can be dealt with at a reasonable manner.
"And that's what I do. Even with people that we have stronger disagreements with on a number of issues around trade - particularly the agricultural trade front - I still have positive relationships with them. After we have the meetings we always sit down and have a beer or something. We will talk about other things as well. I think you find that most of the time you have more in common than you have apart."
He said New Zealand businesses did not spend enough time overseas understanding value chains, forming relationships with key players and understanding the dynamics and differences of international markets.
Visiting markets corrected wrong assumptions about New Zealand and kept New Zealand on the radar.
"We rely on exports for our economic prosperity but, by and large, our exporters don't get into the market not nearly enough," he said.