What a year of upheavals for China's tech industry, beginning and ending with massive setbacks for Huawei. SCMP tech reporters Zen Soo, Sarah Dai and Yingzhi Yang break down 2018, starting with Huawei’s first major shock in January, as well as looking at the share bike bubble, the major changes for the operation of Didi Chuxing, updates on self-driving vehicles and major investments in the electric car industry.