1. Specialized maintenance and repair for shielding doors: It covers the entire process of services including shielding doors sealing performance testing, mechanical structure debugging, electrical control system maintenance, and emergency fault handling, ensuring stable and compliant shielding functions.

2. Maintenance and repair of lifting platforms/ramps: Regular inspections and repairs are carried out on the hydraulic system, transmission mechanism, and safety protection devices of lifting equipment. Slope anti-skid optimization, structural reinforcement, and other maintenance work are carried out to ensure safe and smooth operation.

3. Maintenance and repair of turntable and antenna tower: including turntable accuracy calibration, mechanical component lubrication and replacement, stability testing of antenna tower structure, anti-corrosion treatment, and maintenance of signal transmission link, to ensure equipment operation accuracy and durability.

4. Maintenance and repair of the test table: Provide services such as repairing the flatness of the testing table surface, reinforcing the load-bearing structure, fastening the connecting components, and testing and repairing the matching interfaces to meet the stability requirements of experimental testing.

1. Air conditioning system maintenance: covering laboratory specific air conditioning refrigeration/heating system maintenance, ventilation function optimization, filter replacement, temperature control accuracy calibration, etc., creating a stable experimental environment temperature and humidity.

2. Lighting system maintenance: including troubleshooting of lighting equipment in the experimental area, brightness adjustment, energy-saving renovation, safety power supply testing, etc., to ensure sufficient lighting and electrical safety for experimental operations.

3. Power supply system maintenance: Conduct inspections, troubleshooting, and repairs on the laboratory's main power supply lines, backup power sources, distribution equipment, and grounding systems to ensure stable and reliable power supply and avoid electrical risks.

4. Maintenance and upkeep of audio and video surveillance systems: including troubleshooting of monitoring cameras, recording equipment, transmission links, display terminals, optimization of image clarity, and maintenance of storage systems, ensuring full traceability of the experimental area.

1. Repair and maintenance of absorbing materials: providing services such as loss detection of absorbing materials, surface cleaning and repair, aging replacement, installation and fitting adjustment, etc., to maintain the electromagnetic shielding effect of the laboratory.

2. Maintenance and repair of reflective surfaces: For equipment reflective surface flatness repair, coating protection, corrosion treatment, signal reflection efficiency calibration, etc., to ensure the signal transmission quality of related experiments.

3. Repair of photoelectric conversion communication module: focusing on module signal conversion efficiency detection, interface repair, circuit fault troubleshooting, firmware upgrade, etc., to ensure stable and smooth communication links.

1. Laboratory interference noise rectification: By conducting professional testing to locate the sources of electromagnetic interference, acoustic noise, etc., targeted rectification plans are formulated, and measures such as shielding, noise reduction, and isolation are taken to optimize the experimental environment.

2. Rectification and optimization of core performance indicators in the laboratory: Focusing on key performance indicators such as NSA (noise suppression capability), FU (frequency response uniformity), SVSWR (standing wave ratio), conducting comprehensive testing and data analysis, implementing precise optimization and rectification, ensuring that the laboratory meets relevant experimental standards and usage requirements.