HomeSupplier Discoveryarrow-rightElectrical & Electronicsarrow-rightVoltage Regulatorarrow-rightVoltage Optimization Factories & Companies
Filter
Category
More
Management Certification
More
R&D Capacity
Annual Revenue
More
No.of Employees
More
Province & Region
More
about voltage optimization
  • Technological Innovation
  • Reliable Supply Chains
  • Substantial Manufacturing Capabilities

voltage optimization3,000+ factories verified

Shaanxi Sefon Electrical Equipment Co., Ltd

Main Products:
Single Phase Transformer, Three Phase Transformer, Voltage Regulator, Power Substation, Voltage Regulator Substation, Single Phase Automatic Voltage Regulator, Prefabricated Substation, Mobile Substations, Single Phase Automatic Voltage Regulators (AVR), 32-Step Single-Phase Voltage Regulator
Country/Region:
Shaanxi, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Shaanxi Sefon Electrical Equipment Co., Ltd (referred to as Sefon Electrical), is a high-tech enterprise integrating research and development, design, production, sales, service and power engineering total contract. The company has strict quality control, strong technical foundation, advanced production equipment, superb manufacturing technology, rich project experience and perfect service supporting.

AOKO Global Limited

Main Products:
Soft Starter, VFD, Low Voltage Soft Starter, Medium Voltage Soft Starter, Medium Voltage Variable Frequency Soft Starter, Low Voltage Variable Frequency Drive, Medium Voltage Variable Frequency Drive
Country/Region:
Hunan, China
R&D Capacity:
OEM/ODM Service
Company Profile:
AOKO, established in 1998, is a renowned manufacturer specializing in ?motor control solutions, including soft starters and variable frequency drives (VFDs). ?The company holds multiple international certifications, including the ?ISO 9001?, ?ISO 14001, and ISO 45001 ?systems certifications, alongside product certifications such as CE and EAC. Its technological prowess is demonstrated by? a portfolio of over 80 patents, underscoring a deep commitment to innovation and industry advancement.

Shenzhen Intelligent Litium Battery Electronic Co., Ltd

16 yrs
·Manufacturer/Factory & Trading Company
Main Products:
BMS, IC
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Founded in 2011, the company is a comprehensive service provider integrating lithium battery safety management hardware, software and BMS system solutions. The company gathers industry elites and combines the industry's most advantageous chip technology to provide customers with battery management chips, BMS software, BMS hardware, smart lithium dog system, lithium battery life cycle monitoring management cloud platform system technology and so on. At present, our products are widely used in various smart phones, laptops, power tools, drones, low-speed electric vehicles, shared power change stations, portable energy storage, household energy storage, photovoltaic energy storage and special vehicles and other product fields. We provide excellent services to well-known domestic and international enterprises.

Global Power Equipment (Xuzhou) Co., Ltd.

5.0
Main Products:
Transformer, Dry Type Transformer, Power Substation, Oil Immersed Transformer, Prefabricated Substation, Combined Substation, Distribution Transformer, Single-Phase Transformer
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Global Power Equipment (Xuzhou) Co., Ltd. is a wholly-owned subsidiary of Zhonghao Electric Power Group. The group is a high-tech enterprise specializing in the production, development and sales of series transformers and supporting products. It emerged in the central city of Huaihai Economic Zone--Xuzhou Economic Development Zone is located in front of National Highway 311 and is half an hour's drive from Xuzhou Airport to the south. The transportation is very convenient and the transportation conditions are unique. The group has a production history of more than 50 years. It was restructured from a former state-owned enterprise and has served many large enterprises at home and abroad. The factory covers an area of nearly 800, 000 square meters and various buildings cover an area of 100, 000 square meters. It has more than 100 sets of various production and use equipment, strong technical force, advanced production equipment, high product technology level, complete testing equipment, strict corporate management, and reliable product quality.

Xiyi Electric Group Co., Ltd

16 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
High Voltage Circuit Breaker, High Voltage Circuit Breaker Accessories
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Established in 2006, POWZY is a high-tech electrical enterprise integrating R&D, production, and sales. Covering over 30, 000 square meters, it employs more than 200 people, including about 20 in R&D. The company has received numerous accolades, such as National High-tech Enterprise, Credible Enterprise, Technology-based SME, Green Products Supplier in China, and also has ISO9001, ISO14001, ISO45001 system certificates, more than 30 national patents and a full set of type test reports.

Zhejiang Huwang Electric Co., Ltd.

2 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Current Transformer; Voltage Transformer; Three phase integrated current transformer; The zero sequence current transformer
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

Nantong Kino Automation & Technology Co., Ltd.

8 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Electric Motor, Frequency Changer, AC Motor, Electrical Switchgear Set, Gear Motor, Explosion-Proof Machine, Dust-Proof Machine, Cleaning Machine, Three-Phase Motor, Alternating Current Motor
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Nantong Kino Automation Technology Co., Ltd. is located in the national-level economic and technological development zone of Nantong City, Jiangsu Province, China. Kino is very close to the famous international port city Shanghai with superior geographical conditions and convenient transportation.

Shandong Anxinde Electric Technology Co., Ltd.

8 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Medium Voltage Switchgear, Low-Voltage Fixed Switchgear, Power Quality Equipment, Prefabricated Substation, Circuit Breaker, Capacitor Reactor, Intelligent Control Device, Power Transformer
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Shandong Ansind Electric Technology Co., Ltd. is a rapidly growing high-tech enterprise specializing in the R&D, production, and sales of a comprehensive range of products including high and low voltage switchgear, box-type substations, low voltage distribution cabinets, transformers, enclosed busbars, and wires and cables. Our products are widely applied in electrical and automation equipment across factories, real estate, transportation, power plants, and other sectors. We are dedicated to providing intelligent system solutions for industries such as power grids, telecommunications, construction, and new energy.

Shandong Angao Electric Equipment Co., Ltd.

Main Products:
Distribution Cabinet EV Charger Integrated Pow
Country/Region:
Shandong, China
Sample Service:
Sample Available
Company Profile:
Shandong Angao Electrical Equipment Co., Ltd., established in 2007, is a high-tech enterprise dedicated to the research and manufacturing of products in the field of power transmission and distribution. It mainly engages in the research and development of high and low voltage switchgear equipment, new energy vehicle charging piles, integrated power supplies, protection systems, and the manufacturing and sales of sheet metal shells and other series of products. An Gao has a modern production plant covering an area of over 25000 square meters and an office building of over 2500 square meters. We have advanced production, processing, and testing equipment, as well as strong technical innovation, research and development, and manufacturing capabilities in IS014001 environmental management. We have passed the "IS09001 Quality Management System Certification" and "IS045001 Occupational Health and Safety Management System Certification", and all products have passed the inspection reports of the national authoritative system certification institutions. The related products have also passed the "CCC" national mandatory product certification, and have multiple invention patents and utility model patents. We have won many honorary titles such as "High tech Enterprise" and "Shandong Province Specialized, Refined, Unique and New Small and Medium sized Enterprise". The clients we serve involve multiple industries such as State Grid, petroleum, photovoltaics, wind power, steel, metallurgy, petroleum, chemical, automotive, power, construction, and environmental protection, and have won unanimous praise from users, establishing our unique advantageous position in the industry. For many years, Angao has always adhered to customer needs as the guide, product quality as the core, and customer service as the purpose. Adhering to the principle of "quality and safety, customer first", Angao has forged a leading position in the industry with superior brand strength, and insists on becoming a trustworthy supplier in the industry with advanced technology and high-quality service. The company will continue to rely on its excellent and exquisite technical skills, utilize a broad market platform, penetrate deeper and wider fields, achieve long-term and far-reaching development of the company, build a leading brand in the electrical industry in Shandong Province, and create a golden signboard for Angao in the industry!

Lugao Power Co., Ltd.

11 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Switchgear, RMU, Distribution cabinet, SF6 circuit breaker, Vacuum circuit breaker, Compact substation, Disconnector, Cable branch cabinet, Current transformer, Transformer
Country/Region:
Zhejiang, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Lugao Power Co., Ltd. Founded in 2009, which is an international high-tech enterprise specializing in the R&D, production, and sales of high-voltage, medium-voltage and low-voltage transmission and distribution equipment, along with providing one-stop solution for global power infrastructure projects. With decades of pioneering innovation, Lugao continuously enhances its capabilities by integrating cutting-edge production technologies supported by rigorous quality control systems.

Tongbian Electric Apparatus Co., Ltd.

19 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Oil Immersed Transformer, Epoxy Cast Dry-Type Transformer, Metro Traction Dry-Type Transformer, Special Dry-Type Transformer, Mining Dry-Type Transformer, Smelting Transformer, Combined Substation
Country/Region:
Yunnan, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Tongbian Electric successively established collaborative platforms with the Shenyang Transformer Research Institute, Germany's PC Company, Shanghai Huaming Switchgear Factory, Kunming University of Science and Technology, Siemens China, and WISCO (Wuhan Iron and Steel Corporation), driving technological advancement, modernizing traditional processes, and elevating manufacturing standards. Through independent R&D of new energy products, it gradually evolved into a high-tech enterprise integrating research, production, sales, installation, and technical consulting services for power transmission and distribution equipment.

ROOQ ELECTRIC GROUP CO., LTD.

13 yrs
·Manufacturer/Factory & Trading Company
Main Products:
High Voltage Switchgear, Low Voltage Switchgear, Transformer, Distribution Box, Arrester, Disconnector, Fuse, Vacuum Circuit Breaker
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Established in May, 2014, Zhejiang ROOQ Electric Co., Ltd is a technology-oriented enterprise specializing in R&D, sales and services of power transformers, transformer substation, ring main unit, cable branch box, switchgears, gas insulated cabinates, HV/LV switchgears, high and low voltage switches, wire and cable, LED street light and metal street light poles, telegraph posts of metal ect. It has four professional factories under its jurisdiction: Power Equipment Co., Ltd. Transformer Co., Ltd.; Switchgear Co., Ltd.; Metal fittings Co., Ltd.; Import and export trading company: Zhejiang ROOQ Electric Co., Ltd.

Zhejiang Kaibian Electric Technology Co., Ltd

9 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Power Transformer, Medium Voltage Switchgear, High Voltage Switchgear, Low Voltage Switchgear, Power Distribution Cabinet, Electrical Control Cabinet, Substation Equipment, Ring Main Unit (Rmu), Vacuum Circuit Breaker, Current Transformer
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Zhejiang Kaibian Electric Technology Co., Ltd., established in June 2018, is a professional manufacturer integrating R&D, production, sales, and service. With a production area of 20, 000 m2 and annual sales exceeding 200 million RMB, our core industries include high and low-voltage power distribution equipment, solar photovoltaic systems, and power electronics.

TSTY ELECTRIC CO., LTD.

Main Products:
Oil Immersed Transformer, Dry Type Transformer, Transformer Substation, High and Low Voltage Switchgear, Power Transformer
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
TSTY Electric Co., Ltd. Has its production base in Jia County, Henan Province, China, with over 30 years of experience in the power industry. We are a digitally driven power equipment enterprise integrating R&D, manufacturing, sales, and services.  With products delivered to over 100 countries and regions worldwide, we adhere to the core mission of "Empowering the global green energy transition by delivering safe, efficient, and intelligent end-to-end solutions. " TSTY is committed to building a comprehensive power equipment and service ecosystem that supports the development of sustainable and renewable energy worldwide.

Golden Triangle Electric Power Technology Co., Ltd.

18 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Oil Transformer, Dry Transformer, Three-Phase Recloser, Single-Phase Voltage Regulator, Three-Phase Voltage Regulator, Switchgear, Substation
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Golden Triangle Electric Power Technology Co. Ltd. was founded in Nov. 2009. It is a national high-tech enterprise, focusing on R&D, manufacturing and sales of industrial and civilian electric energy meters and Three dimensional triangular transformer, Amorphous alloy transformer, Photovoltaic substation intelligent substation.

Wenzhou Modern Completed Electric_power Equipment Co., Ltd.

28 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Transformer, Voltage stabilizer, Energy Saving System
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Wenzhou Modern Completed Electric_Power Equipment Co., Ltd. is one of the longest lasting innovators of Power Quality and Energy Saving Products in China. In an industry where companies come and go, MODERN continues to provide the reliability and continuity you need.

Liaocheng Hengbian Electric Co., Ltd

Main Products:
Transformer, Power Transformer, Switchgear, Power Distribution Transformer, Oil Immersed Transformer, Dry Type Transformer, Dry Type High Power Transformer, Distribution Transformer, Amorphous Alloy Transformer, Pad Mounted Transformer
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Located in Dongchangfu District, Liaocheng City, Shandong Province, the company specializes in the manufacturing of rectifiers and inductors, power equipment, and transformers. It possesses multiple patented technologies, including safety protection equipment for dry-type transformers and transformer shell dipping tanks. The company has developed intelligent software for power equipment maintenance services and safety inspection software for power equipment patrols, providing technical support for the safe operation of power equipment. In 2025, Shandong Hengbian Electric Co., Ltd. Was awarded the titles of National High-tech Enterprise, Provincial Specialized, Fine, Unique, and Innovative SME, and Provincial Innovative SME. Located in the High-tech Zone of Liaocheng City, Shandong Province, the company relies on the local advantage of power equipment industry agglomeration, focusing on the manufacturing of transformers, rectifiers, and inductors, while expanding into emerging markets such as photovoltaic equipment and wind power technology services. Under the trend of intelligentization of power equipment, the intelligent software for power equipment maintenance services and safety inspection software developed by the company have enhanced its technological competitiveness in the industry.

Shandong Bocreat Cummings Power Co., Ltd.

Main Products:
Diesel Generator, Gas Generator, Marine Generator, Light Tower, Generator Set, Biogas Generator, Natural Gas Generator, LPG Generator, Silent Diesel Generator, Marine Diesel Generator
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Shandong BoCreat Cummings Power Co., Ltd. is one of the leading manufacturers of diesel generator sets, natural gas generator sets, diesel water pumps, and mobile lighting towers in mainland China.

Qingdao XGZ Steel Structure Overseas Co., Ltd.

3 yrs·4.4
·Manufacturer/Factory & Trading Company
Main Products:
Warehouse, Workshop, Steel Structure, Steel Structure Warehouse, Steel Structure Building, Industrial Steel Structure, Building Material, Steel Structure Factory, Prefabricated Steel Structure, Commercial Steel Building
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Xinguangzheng Steel Structure Co., Ltd, founded in 1997, is now the first steel structure listed company (New OTC Market) of Qingdao after nearly three decades of stable development. It is the group member unit of China Steel Structure Association; The member of China Construction Metal Structure Association; Committee unit of China Chamber of International Commerce, and is rated as Credit enterprise (class AAA) by Ministry of Commerce and SASAC of PRC. It has also been listed into the Modern Production Base of Construction Industry in Shandong Province and has achieved the honor of famous mark of Shandong Province.

Youzhong New Energy (Shenzhen) Co., Ltd.

13 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Frequency Inverter for Pump, Frequency Converter, Frequency Drive for Pump
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
YOUZHONG NEW ENERGY (SHENZHEN) CO. Ltd is a technological innovation oriented national high-tech enterprise owning the variable frequency vector control technology, Photovoltaic MPPT technology, various software copyrights and invention patents, integrated with research, production, and technology.

AIoTSensing Inc.

8 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Pressure Sensor, Air Pressure Sensor, Liquid Pressure Sensor, Pressure Transmitter, Automotive Pressure Sensor
Country/Region:
Anhui, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
In September 2019, the company was founded by the Founder Alex Bao, who LED a group of core technology experts and outstanding management talents from the sensor business units of Fortune 500 companies, well-known American MEMS sensor companies, and A-share listed companies whose main business is sensors to establish AIoTSensing Inc.

Yasheng Green Construction (Shandong)Steel Structure Engineering Co., Ltd.

6 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Steel Structure, Steel Structure Warehouse, Steel Structure Workshop, Prefabricated Warehouse, Prefabricated Workshop, Steel Warehouse, Steel Structure Building, Steel Structure Bridge, Steel Structure Shed, Container House
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Yasheng Green Construction (Shandong)Steel  Structure Engineering Co., Ltd. (Hereinafter referred to as "YashengLvjian")is a construction enterprise established earlier in China which integrates steel structure design. Production andinstallation. Its headquarters islocated in Guangrao Economic Development Zone, Dongying, Shandong Province, the beautiful and rich hometown of Confucius. It is adjacent to Zibo in the south and Shouguang City, Weifang, which is rich in greenhouse vegetables and exports at home and abroad. It is connected with Qingzhou City in the southeast. Boxing in the west, and Laizhou Bay in the Bohai Sea in thenortheast.

Qingdao Xinguangzheng Sino Building Co., Ltd

5.0
Main Products:
Steel Structure, Prefab Building, Steel Workshop, Steel Warehouse, Chicken Farm, Poultry Farm, Prefabricated Building, Chicken House, Warehouse Building, Industrial Steel Building
Country/Region:
Shandong, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Xinguangzhengxinuo Steel Structure Co., Ltd. is a company specializing in designing, developing, manufacturing, selling steel structures and undertaking various kinds of steel structural projects. We have possessed more than 80 sets of large precise and domestically advanced processing equipments, including large gantry planing machines, automatic submerged arc welding machines, assembling machines, slitters, shot blasting machines and so on. Various types of steel building materials produced by our company, such as color-coated steel tiles and sandwich panels, are widely used in different areas. Our products are not only sold all over the country, but also exported to Japan, South Korea, the United States, UAE, Australia, Africa and other countries and regions.

Qingdao Xinyuanzhou Electric Power Equipment Co., Ltd

12 yrs·4.0
·Manufacturer/Factory & Trading Company
Main Products:
Electric Power Single-Pipe Transmission Tower, Electric Power Angle Steel Transmission Tower, Electric Power Combined Steel Pipe Transmission, Single-Pipe Signal Tower, Angle Steel Signal Tower, Three-Pipe Signal Tower, Steel Structure Workshop, Custom Processing and Welding of Metal Products, Custom Processing and Welding of Steel Products, Production and R&D of Steel Products
Country/Region:
Shandong, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Xinyuanzhou Electric Power Equipment Co., Ltd. is a sophisticated modern manufacturer specialized in the R&D, precision production, customized processing, sales and integrated after-sales service of electric power equipment and structural steel products. Nestled in Qingdao, a pivotal coastal manufacturing and foreign trade hub in Shandong Province, the enterprise benefits from superior regional industrial clustering, complete upstream and downstream supply chain support and convenient port logistics advantages. Rooted in the core development philosophy of "quality foundation, innovative empowerment and customer supremacy", we have continuously polished production craftsmanship, upgraded product systems and optimized service mechanisms. After years of steady development, we have built a full industrial chain service system covering professional product design, precision processing and manufacturing, rigorous quality inspection and standardized after-sales guarantee, emerging as a reliable core supplier of comprehensive supporting solutions for domestic and overseas power engineering, communication infrastructure and industrial steel structure projects.

Zhengzhou Well-Known Instrument and Equipment Co., Ltd.

Main Products:
Golf Cart, Automatic Car Wash Machine, Freeze Dryer, Hyperbaric Oxigen Chamber, Coffee Roaster, Sightseeing Cart, Electric Utility Vehicle, ATV&UTV, Tablet Press Machine, Electric Golf Cart
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Cartsfun(Zhengzhou Well-known Instrument and equipment Co., Ltd) is a company combined electric yard vehicle design, promotion and sales into one. Cartsfun(Zhengzhou Well-known Instrument and equipment Co., Ltd) is located in High-Tech Zone, Zhengzhou, Henan, China.