China will add 10,000 kilometers of high-speed railway by 2020 and will reach 38,000 kilometers by 2025. But it's not only the sheer size of the country's rail system that is impressive – Chinese innovation in the architecture of bullet trains has also been gripping. CGTN goes to CRRC Qingdao Sifang Co., Ltd, where the first "Fuxing" China Standard EMU was born and meets their senior chief designer and senior electric welder, both of who have devoted themselves to China’s rail industry.