Updated Aug 2, 2026 · Public platform & industry data

Aug 2, 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, Gratu Energy saving Technology (Jiangsu) 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, Shenzhen Wenchao Technology Co., Ltd, Shanghai OPEC Machinery Equipment Co., Ltd, Jiangsu Ligen Heating and Cooling Equipment Co., Ltd, Lingdeman Machinery Manufacturing (Shanghai) 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 1
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Changzhou Wantuo Electromechanical Equipment Co., Ltd

Room 202, Building 6, No. 67 Chunjiang South Road, Zhonglou District, Changzhou City, Jiangsu Province

Overall Score4.9 / 5
Est. Date2010-04-29
Registered Capital2000K CNY

Changzhou Wantuo Electromechanical Equipment Co., Ltd., located at Room 202, Building 6, No. 67 Chunjiang South Road, Zhonglou District, Changzhou City, Jiangsu Province, was established on April 29, 2010. The registration authority is the Administrative Approval Bureau of Zhonglou District, Changzhou City, and the legal representative is Wan Feng. Core products: Frequency Converter, Ch Magnetic Levitation Centrifugal Compressor, Gseries Dry Oil-Free Screw Air Compressor

Top 2
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Gratu Energy saving Technology (Jiangsu) Co., Ltd
Overall Score4.7 / 5
Est. Date2019-12-03
Registered Capital10000K CNY

Gratu Energy saving Technology (Jiangsu) Co., Ltd., registered at Room 101-1, Building 7, No. 269 Xinfeng Road, Xukou Town, Wuzhong District, Suzhou City, with the registration authority of Suzhou Wuzhong District Data Bureau and the legal representative being Zhang Pingyuan. Its business scope includes technology development, technology transfer, and technology consulting in the fields of energy saving technology, new energy technology, and intelligent technology; Production and sales: energy-saving equipment, mechanical equipment and accessories, automation equipment, intelligent equipment, air compressors (all of which prohibit the use of metal etching, passivation, and electroplating processes; prohibit the discharge of phosphorus and nitrogen pollutants from production wastewater; prohibit the use of spray painting and other waste gas generating processes within 100 meters of environmentally sensitive targets such as residential areas, hospitals, and schools; prohibit the use of radioactive, highly toxic, and high-risk dust). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Frequency Converter, Glt-Gv, Glt-Sv

Top 3
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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
Jiangsu Ligen Heating and Cooling Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2018-05-24
Registered Capital10000K CNY

Jiangsu Ligen Heating and Cooling Equipment Co., Ltd., with its registered address at 1-107, Building 1, Tiancai Xinxin Home, Quanshan District, Xuzhou City, registered with the Administrative Approval Bureau of Quanshan District, Xuzhou City. The legal representative is Cheng Xiao, and its business scope includes sales, installation, and maintenance of refrigeration equipment, heating equipment, ventilation equipment, household appliances, water purification equipment, elevators, electrical equipment, and accessories; Design and construction of indoor and outdoor decoration engineering; Domestic advertising design, production, publishing, and agency. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Frequency Converter, Lathe, Rubber Face Mask

TOP5
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
Beijing Century Chuangyuan Trading Co., Ltd
Overall Score4.5 / 5
Est. Date2010-08-17
Registered Capital1000K CNY

Beijing Century Chuangyuan Trading Co., Ltd., registered at Room 103, Unit 5, 1st Floor, Building 102, Baiziwan Dongli, Chaoyang District, Beijing, registered with the Chaoyang Branch of the Beijing Administration for Industry and Commerce, with Wang Peiwen as the legal representative. Its business scope includes the sale of household appliances, hardware and electrical equipment, stationery, electronic products, and building materials; Repair household appliances; Install air conditioning; Economic and trade consulting. (Enterprises 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 obtaining approval from relevant departments; they shall not engage in business activities prohibited or restricted by the industrial policies of this city.). Core products: Frequency Converter, Treasure Cabinet Commercial Air Conditioner, Commercial Air Conditioning

TOP7
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

TOP8
Shanghai OPEC Machinery Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2005-06-24
Registered Capital10000K CNY

Shanghai OPEC Machinery Equipment Co., Ltd., registered at No. 83 Xingta San Village, Fengjing Town, Jinshan District, Shanghai, with the registration authority of Jinshan District Market Supervision Administration and the legal representative of Lou Yanmei, has a business scope including general projects: manufacturing of gas compression machinery; Manufacturing of refrigeration and air conditioning equipment; Sales of gas and liquid separation and purification equipment; Sales of gas compression machinery; Sales of refrigeration and air conditioning equipment; Professional cleaning, washing, and disinfection services; Bearing sales; Sales of special equipment; Sales of valves and plugs; Sales of metal fittings for construction; Sales of metal packaging containers and materials; Sales of non-ferrous metal alloys; Sales of metal materials; Sales of wind and electric tools; Sales of electrical instruments and meters; Sales of intelligent instruments and meters; Sales of supply instruments and meters; Sales of instruments and meters; Installation services for ordinary mechanical equipment; Sales of electronic components and electromechanical equipment; Sales of metal products; Sales of communication equipment; Sales of electrical equipment; Retail of hardware products; Wholesale of hardware products; Sales of daily necessities; Wholesale of daily necessities; Sales of petroleum products (excluding hazardous chemicals); Import and export of goods; Technology import and export; Sales of Class I medical devices; Sales of electronic specialized equipment; Sales of household appliances; Sales of new energy vehicles as a whole; Sales of electric accessories for new energy vehicles; Sales of new energy vehicle battery swapping facilities; Loading and unloading handling; Sales of pumps and vacuum equipment; Maintenance of electronic and mechanical equipment (excluding special equipment). (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, Water Lubricated Oil-Free Screw Air Compressor, Air Compressor

TOP9
Jiangsu Ligen Heating and Cooling Equipment Co., Ltd
Overall Score4.3 / 5
Est. Date2018-05-24
Registered Capital10000K CNY

Jiangsu Ligen Heating and Cooling Equipment Co., Ltd., with its registered address at 1-107, Building 1, Tiancai Xinxin Home, Quanshan District, Xuzhou City, registered with the Administrative Approval Bureau of Quanshan District, Xuzhou City. The legal representative is Cheng Xiao, and its business scope includes sales, installation, and maintenance of refrigeration equipment, heating equipment, ventilation equipment, household appliances, water purification equipment, elevators, electrical equipment, and accessories; Design and construction of indoor and outdoor decoration engineering; Domestic advertising design, production, publishing, and agency. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Frequency Converter, Lathe, Cold Storage Installation

TOP10
Lingdeman Machinery Manufacturing (Shanghai) Co., Ltd
Overall Score4.3 / 5
Est. Date2024-07-15
Registered Capital500K CNY

Lingdeman Machinery Manufacturing (Shanghai) Co., Ltd., with its registered address at Room 139, Building 3, No. 585 Zhongmin Road, Maogang Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Administration. The legal representative is Liu Ling, and its business scope includes general projects such as gas compression machinery manufacturing; Manufacturing of pneumatic power machinery and components; Manufacturing of hydraulic power machinery and components; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of plastic packaging boxes and containers; Manufacturing of pumps and vacuum equipment; Manufacturing of power electronic components; Manufacturing of refrigeration and air conditioning equipment; Manufacturing of mechanical and electrical equipment; Manufacturing of specialized equipment for daily necessities production; Manufacturing of hardware products; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of distribution switch control equipment; Manufacturing of specialized electrical and mechanical equipment; Manufacturing of power facilities and equipment; Manufacturing of hydraulic power machinery and components; Manufacturing of plastic products; Manufacturing of bearings, gears, and transmission components; Research and development of hardware products; Mechanical equipment research and development; Valve and plug research and development; Research and development of distribution switch control equipment; Installation services for ordinary mechanical equipment; Sales of gas compression machinery; Sales of pneumatic power machinery and components; Sales of hydraulic power machinery and components; Sales of valves and plugs; Sales of power electronic components; Sales of bearings, gears, and transmission components; Sales of distribution switch control equipment; Sales of refrigeration and air conditioning equipment; Wholesale of hardware products; Sales of plastic products; Sales of pumps and vacuum equipment; Sales of mechanical and electrical equipment; Sales of specialized equipment for environmental protection; Sales of power facilities and equipment; Sales of mechanical equipment; Sales of new energy vehicles as a whole; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) License project: Special equipment inspection and testing; Special equipment design. (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, Hankerson, Screw Air Compressor Solenoid Valve

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
Gratu Energy saving Technology (Jiangsu) Co., Ltd2019-12-03Frequency Converter, Glt-Gv, Glt-Sv10000K 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
Shenzhen Wenchao Technology Co., Ltd2009-10-12Frequency Converter, Oil Free Screw Air Compressor, Micro Oil Screw Air Compressor10000K CNYNot Supported
Shanghai OPEC Machinery Equipment Co., Ltd2005-06-24Frequency Converter, Water Lubricated Oil-Free Screw Air Compressor, Air Compressor10000K CNYNot Supported
Jiangsu Ligen Heating and Cooling Equipment Co., Ltd2018-05-24Frequency Converter, Lathe, Cold Storage Installation10000K CNYNot Supported
Lingdeman Machinery Manufacturing (Shanghai) Co., Ltd2024-07-15Frequency Converter, Hankerson, Screw Air Compressor Solenoid Valve500K 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.

Knowledge Base

Q

When choosing a Mingdian inverter, it is necessary to consider comprehensively based on actual needs. Here are some key points for choosing a Mingdian inverter: 1. Motor power and rated current: Confirm the rated power and rated current of the motor, select the appropriate frequency converter model, and ensure that the rated current of the frequency converter can meet the motor requirements. 2. Load type: Different load types

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