Three million condoms sold in Shanghai , estimated to be worth £ 1.3 m . Tests found they contained toxic substances that could be danger to health . Police uncovered a large network operating across several provinces . Officers using crude oil used at one workshop made them extremely sick .
Three million condoms seized in Shanghai , thought to be worth £1.3m . Tests found they contained toxic metals that could be danger to health . Police uncovered a large network operating across eight provinces . Officers said lubricating oil used at one workshop made them feel sick .