About RIYE
About RIYE
For more than 35 years, RIYE Electric has stood at the forefront of power systems and power quality engineering. Built on a foundation of proprietary R&D, we design and manufacture high-reliability industrial transformers, precision Automatic Voltage Regulators (AVR), and mission-critical backup power solutions.
- years of R&D and manufacturing
- 35+
- countries and regions served
- 50+
- international certifications
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SEMI-F47
- designed and made in Taiwan
- 100%
Company overview
For more than 35 years, RIYE Electric has stood at the forefront of power systems and power quality engineering. Built on a foundation of proprietary R&D, we design and manufacture high-reliability industrial transformers, precision Automatic Voltage Regulators (AVR), and mission-critical backup power solutions.
From advanced semiconductor fabrication and precision manufacturing to vital global infrastructure, RIYE builds an uncompromising line of defense against power disruptions — ensuring operational continuity where failure is not an option.
Our commitment
Clean, reliable electricity is the lifeblood of modern industry and smart manufacturing. RIYE Electric is driven by three core pillars: Safety, High Reliability, and Maximum Energy Efficiency. Day and night, we safeguard the power flowing through smart factories, cities, and critical nodes — fueling sustainable progress for industries worldwide.
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Deep-rooted R&D × relentless quality validation
Backed by three and a half decades of mastery in electromagnetic design and power electronics, we architect our solutions from the core up. Every system adheres strictly to IEC international standards and national industrial benchmarks. From magnetic core topology optimization and premium material selection to extreme thermal-rise and dielectric testing, our rigorous engineering standards ensure industry-leading energy efficiency and decades-long operational life.
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Guardian of advanced precision manufacturing
Next-generation fabrication tools and automated production lines require absolute power purity. RIYE's advanced systems deliver ultra-fast response times and stable, clean voltage — seamlessly mitigating voltage sags, harmonic distortions, and transient spikes. We are the trusted power quality partner for tier-one equipment manufacturers, EPC contractors, and system engineers worldwide.
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Global footprint × agile custom engineering
Rooted in Taiwan's world-class technology ecosystem, RIYE Electric powers operations across key international markets. Whether supporting cross-border fab expansions, turnkey EPC installations, or bespoke facility engineering, we combine flexible design capabilities with responsive lifecycle support. Our longstanding partnerships with multinational enterprises are built on mutual trust and proven reliability.
Our journey
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1991
Riye Electric & Electronic Industries founded
Founded as Riye Electric & Electronic Industries Co., Ltd. We commenced production of 11,400V-class distribution transformers (up to 500KVA) and 600V-class high-efficiency AC voltage stabilizers (up to 100KVA), supplying the electronics industry and other sectors with voltage transformation and power quality improvement.
Riye Electric is dedicated to the R&D, design, manufacturing and marketing of power system equipment — AC voltage stabilizers, transformers, UPS systems, frequency converters and power harmonic filtering equipment — providing customers with comprehensive power solutions.
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1993
Restructured as a corporation; exports begin
Restructured and registered as Riye Electric & Machinery Enterprises Co., Ltd. We increased our capital and operated as an SME to expand production and sales.
Began manufacturing and selling three-phase 11,400/22,800V-class power and distribution transformers (up to 5,000KVA) and 600V-class induction-type AC voltage stabilizers (up to 2,000KVA).
Successfully exported products to Mainland China, Southeast Asian countries such as Indonesia and the Philippines, and various Latin American countries.
Contracted to manufacture transformers for the National Chung-Shan Institute of Science and Technology (NCSIST).
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1994
KENZ technology introduced; UPS launched
Introduced advanced technologies from KENZ to elevate our technological capabilities, develop new products and step into a new era of innovation.
Invested in management and R&D talent, strengthened Training Within Industry (TWI) for employees and implemented Quality Control Circle (QCC) activities company-wide, enabling rapid and effective technology transfer.
Completed the development and market launch of electronic voltage stabilizers and Uninterruptible Power Supply (UPS) systems.
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1995
First AC stabilizer maker in Taiwan certified to ISO 9002
Awarded the ISO 9002 International Quality Certification, making Riye Electric the first professional AC voltage stabilizer manufacturer in Taiwan to receive this certification.
Passed the National Defense Industry Vendor Evaluation and was listed as an approved military supplier of power system equipment.
Our AC voltage stabilizer was granted a ten-year patent by the Central Bureau of Standards.
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1996
Indonesian joint venture and a third production line
Provided technical assistance to PT MGU in Indonesia for the localized production of transformers and AC voltage stabilizers.
Prepared for the construction of the Riye Electric Zhongxing Plant to further expand production and sales operations.
Manufactured three-phase 5,000KVA induction-type AC voltage stabilizers, installed extensively in Mainland China to support the relocation and complete plant exports of Taiwanese industries.
Completed the third production line for UPS systems, innovating our production model.
Transitioned product design into standardization, commonization and computerization.
Entered a joint venture with PT MGU in Indonesia, shifting portions of export orders to the Indonesian plant and increasing our global market share.
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1997
Cast resin transformers and reactors in production
Produced and sold three-phase 11,400/22,800V-class cast resin transformers (up to 2,000KVA) and various specifications of reactors to meet diverse market demands.
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1998
KENZ technical representative in Taiwan; harmonic filtering
Became the official technical representative for KENZ in Taiwan, providing technical support to PT MGU and KENZ throughout Southeast Asia.
Leveraged the advantages of the third production line to revamp the first and second lines, elevating quality standards and capacity.
Actively developed power harmonic filtering equipment such as Harmonic Filters and DC Chokes, applied extensively in frequency converters and large UPS systems — mitigating harmonic pollution, reducing factory downtime and boosting productivity.
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1999
Nankan Plant expansion; entry into the semiconductor supply chain
Expanded the Riye Nankan Plant in alignment with production and sales strategies, while training the personnel required for the expansion.
Strengthened the R&D team to develop new products and upgrade the quality of existing product series.
Supplied large volumes of AC voltage stabilizers and transformers to the semiconductor industry and related equipment manufacturers.
Initiated in-depth cooperation with major domestic wafer fabrication and semiconductor manufacturers, providing power and voltage stabilization equipment for high-tech plants and precision processes.
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2000
High-frequency IGBT SPWM stabilizer and frequency converter
Collaborated with NCSIST on the MOEA Technology Development Program for the machinery industry, focusing on magnetic levitation systems and linear motor modules.
Successfully developed the high-frequency IGBT SPWM-controlled AC voltage stabilizer with an LCD control panel showing utility power, INV, fault and load status, input/output voltage and frequency, internal temperature and output current — a major breakthrough in domestic power stabilization, widely adopted across industries.
Successfully developed industrial frequency converters at significantly reduced manufacturing cost, providing clean, stable, high-quality and cost-effective variable frequency power.
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2001
Nankan Plant completed; renamed Riye Electric Co., Ltd.
Completed the expansion of the Riye Nankan Plant.
Officially changed the company's English name to Riye Electric Co., Ltd.
Invested heavily in R&D equipment and integrated resources from NCSIST, ITRI and national universities to research the latest power technologies.
Recruited R&D personnel holding Master's and Ph.D. degrees from national universities to develop advanced power electronics products.
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2002
ERP rollout and industry-academia programs
Participated in joint research programs for industrial technology advancement and talent cultivation with the National Science Council and national universities.
Introduced ERP system management software, fully integrating R&D, design, sales, manufacturing, finance, warehousing and accounting into a computerized operation.
Established a specialized project department to support the power stabilization needs of large-scale industries expanding into Mainland China.
Expanded strategic alliances and partnerships with international companies in similar fields to achieve mutual growth.
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2003
Cast resin transformer line moved to the Guishan facility
To increase transformer capacity, relocated the cast resin transformer production line to the Guishan facility, specializing in three-phase 11,400/22,800V-class cast resin transformers (up to 3,000KVA).
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2004
Large UPS systems with parallel redundancy up to 5,200KVA
Engaged in technical exchanges abroad and introduced large-scale UPS systems with a single-unit capacity of over 650KVA and parallel redundancy up to 5,200KVA, applicable to uninterrupted power for IC semiconductor and TFT-LCD precision processes.
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2005
Partnerships with European and American equipment makers
Pursued cooperation with major European and American electrical equipment manufacturers to develop high-quality, competitive power products and help partners reduce costs, continuously elevating our R&D and cost-control capabilities.
Strengthened product reliability, safety, operability and durability design, production line quality control and after-sales service, building Riye's reputation as Taiwan's premier manufacturer of power system equipment.
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2006
Energy-saving equipment development
Integrated domestic and international electronics and power application technologies to develop energy-saving equipment, in line with government incentive programs, and promoted high-efficiency power-saving equipment across sectors — contributing to energy conservation and the challenge of climate change.
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2007
CE marking for dry-type transformers; ISO 9001:2000
February 2007: following rigorous testing, our full series of dry-type transformers obtained the European Union CE Marking, demonstrating compliance with EU directives for electrical safety, environmental and consumer protection standards.
September 2007: passed the ISO 9001:2000 Quality Management System certification by EQAICC, reinforcing our commitment to the PDCA cycle, continuous improvement and total customer satisfaction.
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2008
CE marking for industrial-grade stabilizers
May 2008: following rigorous testing, our full series of industrial-grade high-efficiency voltage stabilizers obtained the European Union CE Marking.
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2009
IP55 outdoor high-efficiency stabilizer developed
Developed a new outdoor high-efficiency voltage stabilizer with an IP55-rated fully enclosed, dustproof and waterproof enclosure, for indoor areas prone to water splashing, outdoor environments exposed to sun and rain, and other harsh conditions.
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2010
ISO 9001:2008 certification
September 2010: after a strict audit of standard operating procedures and documentation across all departments, passed the ISO 9001:2008 Quality Management System certification by EQAICC. Scope: design, manufacturing, sales, installation and service of power and electronic equipment (transformers, voltage stabilizers, UPS systems, frequency converters).
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2011
Adopted alongside precision CNC machine tools
Through continuous R&D, our voltage stabilizers and transformers were introduced to multiple equipment agents and widely paired with imported precision CNC machine tools.
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2012
IP55 industrial-grade dry-type transformer developed
After a year of rigorous verification by a major Japanese precision lathe company, developed an industrial-grade high-efficiency dry-type transformer with an IP55-rated enclosure, integrated into the customer's turning, material removal, roughing and finishing machine tool series.
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2013
ISO reassessment; whole-plant power for overseas factories
September 2013: passed a strict reassessment by EQAICC, with our ISO 9001:2008 Quality Management System continuing to meet all scope and standard requirements.
Provided specialized stabilized power supplies for whole-plant setups to a large Taiwanese garment OEM factory expanding into Southeast Asia.
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2014
Power solutions for US wireless infrastructure
Supplied dozens of large induction electronic voltage stabilizers to a major US-based mobile network operator and data network provider, ensuring reliable power for microwave backbone networks, digital TV broadcasting networks and base stations in major cities.
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2015
Adopted on 1,000+ semiconductor test machines
Our large dry-type induction electronic voltage stabilizers were adopted by a major independent semiconductor packaging and testing foundry, applied to over a thousand test machines for IC wafer-level and finished IC testing.
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2016
ISO 9001:2008 certification reaudited
August 2016: passed a strict audit by EQAICC, with our ISO 9001:2008 Quality Management System certification meeting all validation scopes and standards.
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2017
Products integrated into semiconductor processes worldwide
Continuously elevated industry standards for product design, manufacturing and testing, providing high-value, high-quality power equipment successfully integrated into essential domestic and international manufacturing processes, particularly in the semiconductor industry.
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2018
ISO 9001:2015 certification; Indonesian textile project
September 2018: following a comprehensive audit by G-CERTI, transitioned to and passed the ISO 9001:2015 Quality Management System certification. Scope: design, manufacturing, sales, installation and service of power and electronic equipment.
Provided dozens of competitive large voltage stabilizers to a major integrated textile factory in Indonesia, supporting production equipment for polyester chips, polyester fibers, yarns and fabrics.
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2019
Supporting Taiwanese manufacturers returning to invest
As the US-China trade war reshaped global supply chains and major electronics contract manufacturers relocated production from Mainland China, Riye Electric supported relevant manufacturers under the government's "Action Plan for Welcoming Overseas Taiwanese Businesses to Return to Invest in Taiwan", actively cooperating on new plant construction projects.
Certifications
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UL
North American safety certification
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CE
EU directive conformity (dry-type transformers 2007, industrial AVR 2008)
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ISO 9001:2015
Quality management system (G-CERTI, since 2018)
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SEMI-F47
SEMI-F47
Voltage sag immunity for semiconductor processes