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shanghai shangji technology co., ltd. specializes in the production and sales of: relays, intermediate relays, current relays, voltage relays, digital display instruments, digital display power meters, multi-function power meters, digital display multi-function power meters, intelligent control devices, microcomputer protection devices, microcomputer comprehensive protection devices.
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shanghai shangji technology co., ltd. specializes in the production and sales of: relays, intermediate relays, current relays, voltage relays, digital display instruments, digital display power meters, multi-function power meters, digital display multi-function power meters, intelligent control devices, microcomputer protection devices, microcomputer comprehensive protection devices.
shanghai maigesi electric co., ltd. has successively developed a series of microcomputer comprehensive protection devices, a series of switch cabinet intelligent control devices, a series of low-voltage motor protection devices, an intelligent power network instrument series, and an electrical fire monitoring system. the company's "reliable, energy-saving, and environmentally friendly" intelligent distribution products are widely used in metallurgy, petroleum, electricity, construction and other industries.
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baoding lanyi electrical manufacturing co., ltd.
beijing huinengda power technology co., ltd. is mainly engaged in intelligent distribution monitoring systems, microcomputer protection measurement and control devices, and substation comprehensive self-purpose systems. manufacturing and sales of software and hardware products and systems in the field of power system simulation.
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hangzhou dongjiyibao technology co., ltd. is a high-tech enterprise mainly engaged in microcomputer protection and measurement and control devices, island protection devices, photovoltaic and anti-countercurrent protection devices, distribution network automation, power teaching and experimental training equipment, power substation automation system, power supply and distribution automation monitoring system, and power plant comprehensive automation system.
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