Major European wireless providers—big customers of all three—"say Nokia and Ericsson have been slow to release equipment that is as advanced as Huawei’s." In recent years, Huawei has surpassed the Nordic companies to become "the world’s biggest maker of cellular-tower hardware, internet routers and related telecom equipment." Another reason for their struggles is the fear that if they are seen trying to take advantage, Beijing "could retaliate by cutting off Nokia and Ericsson’s access to the massive Chinese market."