One expert has warned China has lost trust in New Zealand as a trading partner - and it could impact the current FTA.

Prime Minister Chris Luxon is leading a trade delegation to China, with a meeting with China's President Xi Jinping set to take place this coming Friday.

Mahon China Investment Management CEO David Mahon says Luxon's sending over a modest delegation over a short timeframe - and it's sending the wrong message to China.

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