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GUIYANG, May 28-- From lip reading to foldable phones and smart electricity networks, Chinese technology companies are showcasing the latest high-tech products at an ongoing expo in southwest China Liu Jian's electricity network received a "Black Technology" award at a ceremony in the 2017 China International Big Data Expo in Guiyang, capital of Guizhou Province. Black technology refers to the latest products such as hardware, software and materials that are seen as innovative and unbelievable. "I have been looking for breakthroughs in the electricity industry," said Liu, 42. | 
