T&T Supermarkets...stands accused of abusing the rights of foreign workers...Gui Qiang Zou claims he was pressured into working longer hours for lower wages than promised after the firm kept his passport...[social insurance card and work permit]...The claim goes on to say that [Zou’s treatment] reflects "a widespread and systematic practice of T&T Supermarkets."The statement says once Zou had re-acquired his documents in order to transfer…and refused to surrender them again, he was fired...[T]he firm's media spokeswoman [Melina Hung said]..."This matter is now before the courts...and we will be defending ourselves there. We have no further comment."