"We know that Chinese are not the biggest investors in New Zealand, but because we look different we have often been targeted," she said.
Chuang has had racist comments posted on her Facebook page, including statements such as "Chinese are the cancer of New Zealand".
But she said such comments were not indicative of her experience in general and believed it was positive for New Zealanders to face up to issues of racism.
"It actually helps us move on because if we keep thinking there isn't a problem we don't deal with the problem."
Dorian Ranee, from Auckland's Malaysian society, said she had experienced little, if any, racism in New Zealand.
Massey University race relations expert Professor Paul Spoonley said while New Zealanders had come a long way in recognising diversity, "to suggest racism has disappeared is quite wrong".
Asians and Pacific Islanders were viewed differently to Europeans, said Dr Spoonley, who believed overcoming racism depended on teaching people the value of recognising diversity.
Maori party co-leader Pita Sharples said arguments on both sides of the debate had served to highlight that institutional racism exists in New Zealand.
Overall the country was "pretty healthy", and making better progress than many others in redressing issues of colonisation and land loss.
Chief executive of the Waipareira Trust and broadcaster John Tamihere said racism was the biggest problem facing New Zealand and could not be overcome easily.
"I struggled to find a rental property and I was turned down for a loan because of my last name - it's harsh but it's a reality," he said.