In the world of precision manufacturing, there is an invisible "leading role" — superhard material tools. They are the "teeth of industry", driving the transformation from a grain of sand to a piece of glass and a wafer.

This story began with a simple pursuit of "perfection". More than 20 years ago, in Zhenjiang, a famous historical and cultural city where the Yangtze River and the Grand Canal meet, a group of technicians with dreams in material science discovered one thing: China’s glass deep-processing industry was developing rapidly...