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：Specializing in the production of cable trays, low-voltage complete sets of distribution boxes and distribution cabinets, trough-type bridges, ladder-type bridges, aluminum alloy bridges, stainless steel bridges, fire-proof bridges, KBG threading pipes, plastic-coated hoses, national standard screw rods, universal angle irons, type 86 Junction boxes, low-voltage complete distribution boxes, distribution cabinets and various hardware accessories
主营产品：R&D and sales of computer software, hardware and peripheral products; computer technical services; sales and technology of intelligent network control equipment, cloud computing equipment, cloud terminals, mechanical equipment, digital products, communication equipment, automation equipment, security equipment, and electronic components Development; operating e-commerce; engaging in advertising business; network technology development; domestic trade; import and export of goods and technology.
主营产品：Digital conference system, camera tracking conference system, conference central control system, multimedia central control system, programmable central control, wireless touch screen, central control, IPAD smart exhibition, IPAD central control, IPAD central control system, IPAD central control system, Andriod Central control system, IPAD exhibition system, wireless touch central control system, large screen splicing system, video booth, digital booth, VGA/RGB/AV matrix switcher, DVI/HDMI distributor, DVI/HDMI switcher, DVI/VGA optical fiber Transmission equipment, VGA/DVI converter
主营产品：Pressure sensors, pressure transmitters, liquid level sensors, liquid level transmitters, pressure control instruments; weighing sensors, weighing transmitters, weighing control instruments; temperature sensors, temperature transmitters, temperature control instruments, 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)
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Security cables, EV 
