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Jiujiang Hantang Optoelectronic Transmission Technology Co., Ltd. is a research-oriented technology enterprise with electric contact basic technology as its core. Currently, it mainly provides products such as conductive slip rings, precision rotary joints, special angle switches, and rotor temperature measurement systems for the fields of cutting-edge technology, life health, bottleneck technologies, emerging industries, and defense technology. At the same time, it provides users with services such as dynamic frequency and dynamic stress testing, blade aerodynamic pressure parameter testing, and dynamic temperature testing. Currently, there are mainly three professional fields of research: precision machinery manufacturing, electric contact materials, and electrochemistry. The company has its own laboratories for fine chemical plating, slip ring friction pair matching, and slip ring mirror surface cutting. It is currently the most complete research-oriented manufacturing enterprise in China for conductive slip ring core technology. The Jiujiang Hantang optoelectronic technology team has always been committed to the research and development of slip ring technology and core components, especially in high-speed slip rings (3000-90000 rpm), long-life slip rings (150 million revolutions or 30 years of storage), and micro-sized slip rings (72-channel transmission in micro-spaces). Non-standard slip rings can meet the needs of high-end slip rings both domestically and internationally. The company has advanced in the fields of slip ring surface plating, precious metal materials, and precision manufacturing technology. Currently, the reliability of slip ring components has been fully verified. The company shares its core technological achievements with many domestic and international research institutions and slip ring manufacturers. These technological achievements are applied in the fields of aviation, aerospace, and high-end slip rings for wind power. The company has laboratories for friction pair matching, friction pair life testing, slip ring surface plating, and environmental (humid heat, high and low temperature, vacuum environment) testing. From research and development to production, all processes have passed the GJB 9001C-2017 quality management system certification.