article_snippet: One worker had blistered fingers due to the chemicals, An undercover investigation in China found .
article_snippet: People's Daily Online reported that, during secret, filming at one of the many firms which produce the snack, investigators found one worker handling food with a finger that had blistered through exposure to the chemicals used in the process - without wearing protective gloves.
article_snippet: (There is no suggestion the product pictured here was manufactured at the plant in the undercover filming) the product was also packed with bare hands, with workers' hands stained by the red oil that coats the food - leading at least one woman to suffer sores on the food - leading at least one woman finger.
article_snippet: Boxes used to store the snacks were also seen covered in an oil-like substance, while a choking smell filled the entire site.
article_snippet: Close to the production line were various boilers, pipes and a large metal drum filled with a reddish liquid that emitted a strange smell as well as a small bucket that was full of black sludge.
article_snippet: The undercover reporter said a vile smell came from vats holding chemicals like the one above .
highlights_snippet: Undercover reporter witnessed appalling hygiene at one factory .
  
highlights_snippet: One factory worker had blistered finger from chemicals used in the sticks .
  