主营产品:Instrument calibration, metrological calibration, site test instrument calibration, flowmeter calibration, measuring instrument maintenance, standard parts sales
主营产品:Lamp holder lamp holder gauge, plug socket gauge, environmental test chamber, sand and dust test chamber, IP rain test chamber, IP dustproof and waterproof test equipment (IP1-8), constant temperature and humidity box, hot and cold shock test box, ventilation aging box, lamp windshield, light source aging testFrame, ultraviolet light weather resistance test chamber, xenon lamp weather resistance test chamber, ozone aging test chamber, glow wire tester, needle flame tester, leakage trace tester, etc.