Jan Mrosik, chief executive officer of Siemens digital factory, introduces digitalization for industries during Hanover Fair 2018 in Hanover, Germany on April 23, 2018. Digitalization is disruptive for industries by generating both huge opportunities and risks to companies, Jan Mrosik told Xinhua in an interview during the Hanover Fair starting on Monday. (Xinhua/Shan Yuqi)