Sanming Radio Factory No. 8 is one of the earliest manufacturers in Fujian Province to produce digital instruments. In 1986, it developed and produced the first generation of analog-digital temperature instruments, and in 1989, it introduced and manufactured digital display controllers from Hong Kong's Ideal Electronics. The TDS series of intelligent digital instruments has undergone over 40 years of refinement and innovation, enhancing the precision, intelligence, and stability of the instruments.

 Based on the introduction, digestion, and absorption of market feedback, we are committed to the development and production of digital instruments and sensors for automated control in industrial and mining enterprises as well as hydropower stations. We have established long-term collaborative relationships with institutions such as Wuhan University of Water Resources and Electric Power, Xiamen University, Fuzhou University, and Sanming University. New product development follows project-based technical tracking, and the developed products undergo provincial-level new product certification. We have successfully developed over a hundred series and hundreds of specifications and models of digital instruments, primarily categorized into intelligent thermal and electrical instruments. This has formed a series of automated instrument systems featuring coordinated development and production. Our specialized production includes systems for collecting data on minimum ecological flow discharge, temperature controllers, water level/pressure measurement and control instruments, temperature scanning instruments, speed signal measurement and control devices, light column instruments, vibration/sway monitoring instruments, flow integrators, quasi-synchronization measurement and control devices, electrical instruments, excitation devices, temperature braking control cabinets, temperature sensors, pressure transmitters, LCD digital instruments, station-specific valves, flow indicators, flow switches, ultrasonic/radar/liquid level signalers, various hydropower station supporting equipment, shaft current meters, oil-in-water/water-in-oil meters, shear pins, intelligent switches, transmitter controllers, and integrated control panels for generating units.

In 2003, we successfully obtained the GB/T19001:2000 Quality Management System Certification. In 2015, we passed the GB/T ISO14001 Environmental Management System Certification. Currently, our digital instruments are favored by power generation equipment manufacturers and have been supplied to over 5,000 hydropower stations. They are also exported to multiple countries and regions as part of the power generation units from host manufacturers. We will uphold the principles of "Technology, Quality, Integrity, and Service," continuously developing and improving new instruments and meters. Through sincere collaboration with host manufacturers and users, we aim for mutual growth. Here, we extend our deepest gratitude to our long-term customers and prospective clients. We look forward to welcoming more design institutes, host manufacturers, power stations, and complete equipment companies—our new and existing friends—for further guidance and cooperation!