FACEGOOD, also known as Quantum Dynamics, is a Chinese technology company specializing in ultra-realistic digital human development. Established in 2015 and based in Shenzhen, FACEGOOD focuses on facial animation, AI-driven interaction, and full-stack virtual human systems. It has gained recognition for its proprietary real-time voice-to-facial animation technologies, such as Audio2Face and Voice2Face, which have been open-sourced to lower development barriers for AI digital humans. These technologies enable high-precision facial motion capture and real-time emotional expression from voice input. FACEGOOD's tools, including the AVATARY and Avatar Studio software suites, support end-to-end digital human creation workflows. The company collaborates with academic institutions and industry partners like Tsinghua University, Baidu, Tencent, and NVIDIA, and its technologies have been applied in broadcasting, education, entertainment, and virtual livestreaming. FACEGOOD also contributed to the development of notable AI characters such as the virtual director Lu Chuan and the virtual idol Zishumei. The company is a key member of the Metaverse Standards Forum and plays a prominent role in shaping China’s digital human ecosystem.