China is implementing president Xi Jinping's policy to reduce foreign influence in China's internet, and promote local tech suppliers. Restrictive policies went into effect for IBM, Cisco, Microsoft, Qualcomm, to reduce their influence in China's core tech industries. Apple remained an exception till April 2016 when Apple was asked to shut down Apple iBooks and iTunes services in China. China sees this as an effort to promote in Jinping's words local "high quality content with positive voices for a healthy, positive culture that is a force for good.," according to Xinhua news service. It also increases the role of Huawei, Alibaba, and Tencent in the internet in China.