Updated Nov 6, 2026 · Public platform & industry data

Nov 6, 2026 Updated

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2026 Top 10 Frequency Converter Manufacturers in China

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Top-rated Frequency Converter suppliers, How to choose a Frequency Converter manufacturer, Best Frequency Converter companies in China

The top 10 Frequency Converter manufacturers in China for 2026 are: Changzhou Wantuo Electromechanical Equipment Co., Ltd, Denair Energy saving Technology (Shanghai) Co., Ltd, Jiangsu Ligen Heating and Cooling Equipment Co., Ltd, Beijing Boda Rongsheng Electromechanical Equipment Co., Ltd, Beijing Century Chuangyuan Trading Co., Ltd, Henan Guoxin Electromechanical Equipment Co., Ltd, Qisheng Intelligent Equipment (Shenzhen) Co., Ltd, Shenzhen Wenchao Technology Co., Ltd, Jiangxi Qisheng Compressor Co., Ltd, Chongqing Rongneng Electromechanical Equipment Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

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Top 2
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Denair Energy saving Technology (Shanghai) Co., Ltd
Overall Score4.7 / 5
Est. Date2012-03-22
Registered Capital50400K CNY

Denair Energy saving Technology (Shanghai) Co., Ltd., with its registered address at No. 6767 Tingfeng Road, Fengjing Town, Jinshan District, Shanghai, is registered with the Shanghai Municipal Administration for Market Regulation. The legal representative is Liu Libo, and its business scope includes licensed projects such as construction projects. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses of relevant departments.) General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; General equipment manufacturing (excluding special equipment manufacturing); General equipment repair; Sales of mechanical equipment; Sales of gas compression machinery; Sales of pumps and vacuum equipment; Sales of mechanical parts and components; Sales of metal chains and other metal products; Sales of metal products; Mechanical equipment leasing; Installation services for ordinary mechanical equipment; Contract energy management; Information consulting services (excluding licensed information consulting services); Sales of lubricating oil; Import and export of goods; Technology import and export; Sales of gas and liquid separation and purification equipment; Sales of Class II medical devices; Sales of refrigeration and air conditioning equipment; Sales of mechanical and electrical equipment; IoT technology services. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Frequency Converter, Centrifugal Air Compressor, Industrial Nitrogen Generator

TOP4
Beijing Boda Rongsheng Electromechanical Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2008-11-17
Registered Capital3000K CNY

Beijing Boda Rongsheng Electromechanical Equipment Co., Ltd., with its registered address at 1902, 19th floor, Building 9, No. 25 Jiuqiao Road, Beijing Economic and Technological Development Zone (Daxing), registered with the Market Supervision and Administration Bureau of Beijing Economic and Technological Development Zone. The legal representative is Zhang Yaqin, and its business scope includes the sale of electrical equipment, mechanical equipment, gas compression machinery, refrigeration, air conditioning equipment, environmental protection special equipment, instruments and meters, computer software and auxiliary equipment, electronic products, hardware and electrical equipment, building materials, chemical products (excluding hazardous chemicals), steel, fire-fighting equipment, rubber products; Technology promotion and technical services; Equipment maintenance and installation; Mechanical equipment leasing; Internet of Things application services; Information system integration services. (Market entities shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after approval by relevant departments; they shall not engage in business activities prohibited or restricted by national and local industrial policies.). Core products: Frequency Converter, Post-Processing, Sullair

TOP6
Henan Guoxin Electromechanical Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date1997-06-26
Registered Capital11300K CNY

Henan Guoxin Electromechanical Equipment Co., Ltd., registered at Building 14-2, Zhongyuan Science and Technology Innovation Enterprise Park, Liandong U Valley, No. 268 Huagong Road, Zhongyuan District, Zhengzhou City, Henan Province, with the registration authority of Zhengzhou Zhongyuan District Market Supervision Administration and the legal representative being Cui Ying. Its business scope includes general projects such as wire and cable operation; Sales of gas compression machinery; Contract energy management; Sales of mechanical equipment; Sales of building materials; Sales of non-ferrous metal alloys; Sales of non-metallic minerals and products; Sales of chemical products (excluding licensed chemical products); Sales of specialized equipment for environmental protection; Electronic product sales; Sales of office equipment; Sales of lubricating oil; Sales of mechanical parts and components; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of Class I medical devices; Sales of Class II medical devices; Retail of hardware products; Wholesale of hardware products; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Installation services for ordinary mechanical equipment; Specialized equipment repair; Information consulting services (excluding licensed information consulting services); Technology import and export; Import and export of goods (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License projects: installation, maintenance, and testing of power transmission, power supply, and receiving facilities (projects that require approval according to law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval documents or licenses of relevant departments). Core products: Frequency Converter, Nitrogen Generator, Spare Parts For Air Compressor

TOP7
Qisheng Intelligent Equipment (Shenzhen) Co., Ltd
Overall Score4.5 / 5
Est. Date2021-04-28
Registered Capital200K CNY

Qisheng Intelligent Equipment (Shenzhen) Co., Ltd., registered at 310, Comprehensive Building, No. 168 Honghu Road, Yanchuan Community, Yanluo Street, Bao'an District, Shenzhen, registered with the Bao'an Regulatory Bureau of the Shenzhen Market Supervision Administration, with Liu Qiang as the legal representative. Its business scope includes the leasing of compressors and supporting equipment; Compressor installation, maintenance, and upkeep services; Managing e-commerce; Contract energy management; Undertake environmental engineering, pipeline engineering, thermal engineering, electrical engineering, and energy-saving renovation projects. (For projects that require approval by law, business activities can only be carried out after obtaining approval from relevant departments. Sales of gas compression machinery, pumps and vacuum equipment, fans and blowers, electronic components and electromechanical equipment, gas and liquid separation and purification equipment, new energy source power equipment, electronic products, electronic component manufacturing, electronic special equipment sales, energy-saving management services, special equipment sales, gas compression machinery manufacturing, lubricant sales, goods import and export, and technology import and export. (Except for projects that require approval by law, business activities can be carried out independently with business licenses.) Dryers, filters, waste heat recovery equipment Provide technical consulting services for air separation equipment and related accessories. Installation, renovation, and repair of special equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Frequency Converter, Air Compressor, Screw Air Compressor

TOP8
Shenzhen Wenchao Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2009-10-12
Registered Capital10000K CNY

Shenzhen Wenchao Technology Co., Ltd., with its registered address at Building 1, No. 30 Songgang Avenue, Lougang Community, Songgang Street, Bao'an District, Shenzhen, registered with the Bao'an Regulatory Bureau of the Shenzhen Market Supervision Administration. The legal representative is Kuang Xiaofang, and the business scope includes pipeline installation engineering (excluding pressure pipelines), environmental protection engineering, and heating engineering; On site maintenance and repair services for mechanical and electrical equipment; Door to door installation of mechanical and electrical equipment; Contract energy management services; Software development; Energy saving engineering design and construction; Energy saving assessment; Research and development, design, and sales of energy-saving products; Rental and on-site maintenance of energy-saving air compressors; Sales and circulating water treatment of energy-saving central air conditioning, energy-saving vacuum pumps, and energy-saving water pumps; Design and on-site installation of air purification system engineering; Engaged in loading, unloading, and handling business. (Except for projects prohibited by laws, administrative regulations, and decisions of the State Council, restricted projects must obtain a license before operation) Production of industrial flooring, mechanical and electrical equipment and surrounding spare parts, thermal equipment and surrounding spare parts.. Core products: Frequency Converter, Oil Free Screw Air Compressor, Micro Oil Screw Air Compressor

TOP9
Jiangxi Qisheng Compressor Co., Ltd
Overall Score4.3 / 5
Est. Date2021-10-21
Registered Capital2000K CNY

Jiangxi Qisheng Compressor Co., Ltd., registered in Zone B of Lianhua County Industrial Park, Pingxiang City, Jiangxi Province, with the registration authority of Lianhua County Market Supervision and Administration Bureau and the legal representative of Liu Qiang. Its business scope includes general projects such as compressors, vacuum pumps, heat pumps, expanders, blowers, boosters, gas post-treatment equipment, electromechanical equipment, new energy equipment, electronic products and accessories research and development, production and sales, and leasing services; Research and development, production, and sales of fluid transportation technology and its products, as well as compressor air pipelines; Design of air pipeline drawings; Construction of air compressor station project; Construction of mechanical and electrical installation projects; Energy saving engineering design and construction; Installation, modification, and maintenance of pressure vessels and pressure pipelines; Energy saving technology services and consulting; Research and sales of enterprise energy management systems; Contract energy management, self operated or agency import and export business of various goods and technologies, business consulting (except for licensed business, can independently operate projects that are not prohibited or restricted by laws and regulations). Core products: Frequency Converter, Screw Air Compressor, Air Compressor

TOP10
Chongqing Rongneng Electromechanical Equipment Co., Ltd
Overall Score4.3 / 5
Est. Date2010-09-13
Registered Capital7000K CNY

Chongqing Rongneng Electromechanical Equipment Co., Ltd., with its registered address at No. 290 Yunfu Road, Shuitu Street, Liangjiang New Area, Chongqing, is registered with the Market Supervision Administration of Liangjiang New Area, Chongqing. The legal representative is Chen Yu, and its business scope includes licensed projects such as special equipment manufacturing. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses issued by relevant departments.) General projects: sales of new energy original equipment; General equipment repair; Mechanical equipment leasing; Sales agent; Manufacturing of hardware products; Sales of pumps and vacuum equipment; Wholesale of hardware products; General equipment manufacturing (excluding special equipment manufacturing); Sales of hydraulic power machinery and components; Research and development of distribution switch control equipment; Manufacturing of electronic specialized equipment; Spring sales; Instrument and meter repair; Electrical equipment repair; Sales of pneumatic power machinery and components; Manufacturing of gas compression machinery; Sales of gas compression machinery; Manufacturing of gas and liquid separation and purification equipment; Sales of gas and liquid separation and purification equipment; Sales of special equipment; Manufacturing of pumps and vacuum equipment; Manufacturing of pneumatic power machinery and components; Sales of industrial automatic control system devices; Sales of valves and plugs; Sales of lubricating oil; Security consulting services; Design, manufacturing, installation, and maintenance: chemical machinery equipment, electromechanical equipment, mechanical equipment; Sales: Chemical machinery and equipment, complete sets of compressors, electromechanical equipment and spare parts, electrical components, hardware and electrical equipment, electromechanical products, communication equipment (excluding wireless ground receiving equipment and transmitting equipment), household appliances; Design, manufacture, and sell secondary water supply equipment; Engaged in construction related business (practicing with qualification certificate); Technical consulting services; Goods import and export business: technology development and technical consultation in the Internet field; Cleaning service. Projects that require approval by law must be approved by relevant departments before conducting business activities.. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Frequency Converter, Special Gas Compressor, Piston Compressor

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Changzhou Wantuo Electromechanical Equipment Co., Ltd2010-04-29Frequency Converter, Ch Magnetic Levitation Centrifugal Compressor, Gseries Dry Oil-Free Screw Air Compressor2000K CNYNot Supported
Denair Energy saving Technology (Shanghai) Co., Ltd2012-03-22Frequency Converter, Centrifugal Air Compressor, Industrial Nitrogen Generator50400K CNYNot Supported
Jiangsu Ligen Heating and Cooling Equipment Co., Ltd2018-05-24Frequency Converter, Lathe, Rubber Face Mask10000K CNYNot Supported
Beijing Boda Rongsheng Electromechanical Equipment Co., Ltd2008-11-17Frequency Converter, Post-Processing, Sullair 3000K CNYNot Supported
Beijing Century Chuangyuan Trading Co., Ltd2010-08-17Frequency Converter, Treasure Cabinet Commercial Air Conditioner, Commercial Air Conditioning1000K CNYNot Supported
Henan Guoxin Electromechanical Equipment Co., Ltd1997-06-26Frequency Converter, Nitrogen Generator, Spare Parts For Air Compressor11300K CNYNot Supported
Qisheng Intelligent Equipment (Shenzhen) Co., Ltd2021-04-28Frequency Converter, Air Compressor, Screw Air Compressor200K CNYNot Supported
Shenzhen Wenchao Technology Co., Ltd2009-10-12Frequency Converter, Oil Free Screw Air Compressor, Micro Oil Screw Air Compressor10000K CNYNot Supported
Jiangxi Qisheng Compressor Co., Ltd2021-10-21Frequency Converter, Screw Air Compressor, Air Compressor2000K CNYNot Supported
Chongqing Rongneng Electromechanical Equipment Co., Ltd2010-09-13Frequency Converter, Special Gas Compressor, Piston Compressor7000K CNYNot Supported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

  • For procurement requirements that require the use of frequency converters, it is recommended to prioritize checking key technical parameters such as rated power, voltage range, and energy efficiency level to ensure compatibility with existing equipment or production lines. Additional attention should be paid to anti-interference ability and heat dissipation performance in industrial scenarios.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support or platform statistical information. Such suppliers can usually provide more stable supply and technical support for frequency converters.
  • In different application scenarios such as HVAC or automated production lines, the load characteristics and speed range requirements of frequency converters vary greatly. Therefore, it is necessary to clarify the actual operating conditions before procurement.
  • When purchasing a frequency converter, it is usually necessary to focus on the industry application cases of the supplier, such as the adaptation experience in the field of textile machinery or injection molding machines, which can help evaluate the practical applicability of the product.

Ranking Evaluation Method

This ranking is generated based on public data from Baidu B2B platform and common industry assessment dimensions, focusing on enterprise activity, business qualifications, product matching and industry performance to provide valuable manufacturer ranking information for buyers.

DimensionDescription
Data SourceMulti-dimensional data including platform public data, enterprise certification, user reviews, and transaction records
AssessmentComprehensive indicators including enterprise activity, qualifications, product quality, service capability, and user reputation
Update FrequencyRanking data is updated daily to ensure timeliness and accuracy
SuggestionRankings are for reference only. We recommend comprehensive evaluation based on actual needs