Our company aims to produce high-quality graphene quantum dots. We have developed a self-proprietary electrochemical method to prepare graphene quantum dot solutions in a single step. The entire process is simple, pollution-free, and yields quantum dots with small particle sizes, low layer counts, and controllable distribution. The raw materials are abundant and inexpensive, the preparation process is straightforward and energy-efficient, and the method offers high production efficiency and purity. This approach enables the industrial-scale production of high-quality graphene quantum dots.