Ainuo Instrument Co.,Ltd was founded in 1993. Our core business is to research, desigh and manufacture Electrical Safety Test & Measurement Instrument and Frequency Converter Power Supply. We can provide professional testing solutions to Electric Appliances & Electronic Products manufacture and relative Product Quality Inspection, Metrology, Import & Export Product Inspection and Certification organizations.

    Ainuo has six product series, including more than 200 models. Electrical Safety Tester series include AC Hipot Testers, Ground bond Testers, Insulation Resistance Testers, Leakage current Testers, Electrical Safety Comprehensive Testers and High Precision Safety Tester Calibration Device. Electrical Safety Comprehensive System series include Single/Three Phases Electrical Safety Comprehensive System, Dual test Safety Comprehensive System and Special Safety Comprehensive System. Frequency Converter Power Supply series include AC Frequency Converter Power Supply, Intermediate Frequency Power Supply, Programmed DC power supply and special test power supply. Electrical Parameter Tester series include Electrical Parameter Comprehensive Meters, Transformer Induced Hipot Testers, Impulse Winding Voltage Testers, Air-condition Parameter Meters and DC Low Resistance Meters. DC Electronic Load series include DC Electronic Load special Electronic Load for Battery and Multi-channel DC Electronic Load. Automatic Test System (ATS) series include Switch Power Automatic Test System(SMPS-ATS) and LIPS Automatic Test System (can test LCD-Inverter).

    Ainuo products are widely used in many industries such as household and commercial appliances, electric motors, electric tools, battery chargers, transformers, switching power supplies, electronic components, lamps, communications, aviations, defense, ect. Nowadays Ainuo has more than 10,000 civil customers and became No.1 supplier to many large corporations such as Haier, Hisense, Lenovo, Chunlan, Changhong, Midea, etc.

    Since Ainuo products are advanced technology, high reliability, superior quality and perfect services, we have built up perfect cooperation with many foreigh investing corporations such as Emerson, Darkin, LG, Philips, Panasonic, Electrolux, Samsung, etc. We also export our products to Europe, United States, South America, and many countries in Asia. Every instrument made by Ainuo contains design ideas of global, user-friendly, and technological innovation.

    For years, Ainuo was awarded as advanced & innovative technology enterprise and acquired many patents, Ainuo emphasizes on product quality and service ahead of other things. Depending on serious quality assurance system and excellent quality, we passed the ISO9001:1994 &ISO 9001:2000 certification, and Military system certification. Our goal is to provide worldwide customers with superior quality products and professional services.

    Thank you for supporting Ainuo.