Precise quartz technology for the digital world

Tangshan Guoxin Jingyuan Electronics Co., Ltd. has stood for innovation, precision, and reliability in the development of quartz frequency components for over three decades. Founded in 1990 and a subsidiary of the publicly traded Guoxin Micro (002049.SZ), which belongs to the Tsinghua Unigroup, we specialize in the research, development, production, and sales of quartz resonators and quartz oscillators.

Our products form the core of modern electronic systems and are used worldwide in demanding application areas – including network and communication technology, automotive electronics, industrial control systems, artificial intelligence, medical technology, and IoT applications. As a direct supplier to leading international companies and a significant domestic replacement supplier of frequency components in the communications industry, we actively contribute to the development of the "New Infrastructure".

With numerous patented core technologies, consistent quality control, and a clear focus on quartz oscillators, we set standards in stability, accuracy, and long-term reliability. Our solutions prove their worth even under extreme environmental conditions – from engine control units in vehicles to highly sensitive medical diagnostic devices.

Driven by our ambition to support the digital era with high-quality frequency control components, we work daily to help shape the interconnected world of the Internet of Everything (IoE). Uncompromising quality, technological excellence, and long-term partnerships with our customers worldwide are at the heart of everything we do.