主营产品：Circuit breaker/isolating switch/JP cabinet/high and low voltage complete switch cabinet/drop switch/lightning arrester/box-type substation/high voltage contactor/distribution box/high voltage circuit breaker/compensation device/high voltage switch cabinet
主营产品：Mainly produces: various types of optical switches, optical attenuators, optical protection, optical cable monitoring systems, optical power collectors and other communication equipment
主营产品：Intelligent lighting control system, hotel intelligent lighting, intelligent fire evacuation system, intelligent fire evacuation guidance system, intelligent fire emergency lighting system
主营产品：Mechanical equipment manufacturing and parts, special mechanical parts for tobacco equipment, automation control systems, various sensors, sensitive devices, electronic devices, transmitters, optoelectronic instrument products, detection products, application instruments and automation system engineering software and hardware research and development, Production, sales, technical transformation and maintenance of machinery and equipment, industrial software and hardware technology research and development, technical services, technology transfer, technical consulting; import and export of goods or technology
主营产品：LED explosion-proof lamps, explosion-proof and anti-corrosion electrical appliances, anti-corrosion and explosion-proof lamps, anti-corrosion and explosion-proof fans, anti-corrosion and explosion-proof pipe fittings, industrial and mining lamps and accessories, low-voltage electrical components manufacturing and sales; consultation and services on anti-corrosion and explosion-proof lighting technology, and technical services in the field of energy-saving technology
主营产品：Manufacturing, processing and sales of distribution switch control equipment, high and low voltage electrical appliances and accessories, knife switches, instruments (excluding measuring instruments), wires and cables, lighting fixtures, hardware and plastic parts.
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：Vacuum AC contactor | Mine explosion-proof switch | Isolation reversing switch | Vacuum circuit breaker | Vacuum tube | Transformer | High voltage vacuum switch series | Mining frequency converter series | Mining soft start series | Vacuum starter series | Fan special switch series | Vacuum feed switch series | Comprehensive protection device series | Mining electronic control series | Mining accessories series
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