HOLLEY.HOLLEY is a core business company dedicated to power metering, smart instrumentation, distribution network intelligence, photovoltaics, energy storage, smart energy management, and intelligent manufacturing. HOLLEY maintains an advanced product manufacturing system, independently developed production and testing equipment, and an internationally accredited CNAS laboratory. It effectively operates ten management systems including quality, measurement, environment, occupational health and safety, and information security. The company has obtained certifications for ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, ISO10012 Measurement Management System, ISO/ IEC17025 Laboratory Management System Certification, ISO/IEC27001 Information Security Management System Certification, and ISO22301 Business Continuity Management System Certification. These certifications provide robust guarantees for stable product quality, energy conservation and consumption reduction, employee care, and environmental protection. Primary products include: smart electricity meters, conventional electronic meters, DIN rail meters, digital display meters, mechanical meters, data concentrators, data collectors, load management terminals, distribution transformer monitoring terminals, smart measurement and control terminals, electricity metering cabinets, smart transfer cabinets, power distribution products, cable branch boxes, low-voltage smart integrated distribution boxes, substation data acquisition terminals, and power quality monitoring and management solutions.
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