China's high-speed rail is inseparable from Japan's nuts, is this true? Can't China make nuts suitable for high-speed rail? Will the development of China's high-speed rail be limited by Japanese nuts? There is such a Japanese factory, which has less than 50 employees, but can create a nut that will never loosen, and rely on this nut to become the world's top nut manufacturer enterprise, famous all over the world. The most important thing is that the nut used in the construction of China's high-speed rail is exactly this kind of "nut that will never loosen", so it is often seen on the Internet that "China's high-speed rail cannot be separated from Japan's nuts", "China can not made its own nuts" and other remarks, are these news true? Hi, everyone. Welcome to Hot Topics Time, a channel to interpret news from a new perspective, and explore the wisdom behind the news. Before we start today's video, please subscribe to our channel, which is the encouragement that we can create more videos. Today, I will lead you to understand this Japanese company, Hardlock Industrial Co., Ltd., and have a deep understanding of the "never loosening nut" developed by this company to see if it can restrain China's high-speed rail development.