主营产品：High-power DC regulated power supply, pulsed DC power supply, high-voltage DC power supply, program-controlled DC power supply, aging experiment power supply
主营产品：Various types of switch life testers, testing instruments for shoe leather, rubber and plastic, luggage and furniture, baby carriages, bicycles, safety helmets, electronic appliances, wires and cables, paper packaging, environmental testing, etc.
主营产品： Main products: DCS distributed control system, PLC programmable controller, numerical control system, measurement sensor, high-voltage switch cabinet, control cabinet, frequency conversion cabinet, modules, cards, frequency converter, power supply, cable, CPU, controller, DCS PLC, robot spare parts, drives, etc.
主营产品：Electronic industry, aerospace, weapons industry, shipbuilding industry, intelligent transportation, electric power, petroleum, and related scientific research institutes, etc.
主营产品：Technology development and sales of new energy equipment, solar system equipment, uninterruptible power supplies, inverters, mobile power supplies, and power equipment accessories; sales of security network monitoring, Bluetooth speakers, electronic connection wires, and computer peripheral accessories; domestic trade and engagement in Import and export business of goods. (Except for projects that require approval before registration according to laws, administrative regulations, and decisions of the State Council)
主营产品：Pure sine wave inverter, modified wave inverter, household inverter, solar pure sine wave inverter, wind energy inverter, photovoltaic inverter, grid-connected inverter. Solar controller, MPPT controller APS inverter. High frequency inverter, low frequency inverter RV inverter car inverter UPS inverter
主营产品：Technology development and sales of new energy equipment, solar system equipment, uninterruptible power supplies, inverters, mobile power supplies, and power equipment accessories; sales of security network monitoring, Bluetooth speakers, electronic connection wires, and computer peripheral accessories; domestic trade and engagement in Import and export business of goods. (Except for projects that require approval before registration according to laws, administrative regulations, and decisions of the State Council)
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500V600A high-power 
