A series of internal PowerPoint presentations indicate that Chinese tech giant Huawei is more involved in state surveillance than it has publicly acknowledged, the Washington Post reported on Tuesday. Over 100 marketing presentations posted on a publicly accessible Huawei website until last year describe applications for Huawei products in various fields of surveillance. Among five of those presentations highlighted by the Post , two appeared to show that Huawei designed certain features of detention camps in Xinjiang province and surveillance tools used in the province. The Trump administration implemented various sanctions against Huawei, including visa restrictions against some company personnel….