Guangzhou Liss Optical Instrument Co., Ltd. was established in 2004, originally known as the state-owned Guangzhou Optical Instrument Factory, inheriting over 70 years of optical technology accumulation and is a leading enterprise in the field of optical microscopes in China. The company focuses on the research, development, and manufacturing of high-end optical microscopes and domestic substitution, with products covering seven categories including biology, metallography, and fluorescence. Its polarizing contrast phase-contrast microscope has broken the foreign monopoly. The company possesses a complete vertical industrial chain, covering the entire process from optical component processing to mechanical manufacturing and complete machine assembly, making it one of the few private enterprises in China that master the core technologies of the entire process chain, and the only high-tech enterprise in Guangdong Province with a complete optical microscope process chain. Leveraging core patented technologies, the company participates in major national scientific research instrument projects and collaborates with industry-university-research platforms such as Tsinghua University Shenzhen International Graduate School and South China Normal University. As a national specialized, refined, distinctive, and innovative small and medium-sized enterprise, the company adheres to the philosophy of "innovative craftsmanship spirit and realizing the dream of chasing light," with products exported to over 30 countries and regions, demonstrating competitive advantages in industrial inspection, materials science, and life sciences. In the future, it will deepen the integration of intelligence and digitalization to help China's precision instrument industry rank among the world's top.