
Updated with new list of names released by the Food and Environmental Hygiene Department on Thursday night
The Taiwanese company blended some of its lard with "gutter oil" - made from recycled food waste - and sold it as cooking oil.
About 70 per cent of the lard that bakeries used in Hong Kong came from Taiwan, according to an estimate by Simon Wong Ka-wo, chairman of the Chamber of Food and Beverage Industry. Chang Guann’s oil customers ranged from five-star hotels to traditional bakeries and Japanese noodle restaurants.
Hong Kong has since banned the sale of all products made with the firm’s oil.
The South China Morning Post has mapped the locations of Chang Guann's suspected customers in Hong Kong based on information provided by the Hong Kong Centre for Food Safety.
