Updated Oct 25, 2026 · Public platform & industry data

Oct 25, 2026 Updated

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2026 Top 10 Nitrogen Purification Unit Manufacturers in China

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Top-rated Nitrogen Purification Unit suppliers, How to choose a Nitrogen Purification Unit manufacturer, Best Nitrogen Purification Unit companies in China

The top 10 Nitrogen Purification Unit manufacturers in China for 2026 are: Zhongtuo Intelligent Equipment (Shandong) Co., Ltd, Shandong Aolai Machinery Co., Ltd, Zhongke Gas Co., Ltd, Suzhou Shengyu Gas Equipment Co., Ltd, Suzhou Ebola Equipment Technology Co., Ltd, Wuxi Zhongheng Gas Equipment Manufacturing Co., Ltd, Suzhou Guanxu Instrument Equipment Co., Ltd, Langfang Haoheng Environmental Protection Equipment Co., Ltd, Dongguan Shengbai Electronics Co., Ltd, Xinxiang Xinrui Filter 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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Zhongtuo Intelligent Equipment (Shandong) Co., Ltd
Overall Score4.9 / 5
Est. Date2019-04-28
Registered Capital10000K CNY

Zhongtuo Intelligent Equipment (Shandong) Co., Ltd., with its registered address at Room 1601, Block A, Zhongde Plaza, Liying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Zhang Yujing, and the business scope includes general projects such as industrial control computer and system manufacturing; Sales of construction machinery; Sales of railway transportation infrastructure equipment; Sales of railway transportation equipment; Sales of mechanical and electrical equipment; Mechanical equipment research and development; Sales of specialized equipment for environmental protection; Sales of mining machinery; Sales of instruments and meters; Sales of agricultural machinery; Sales of firefighting equipment; Wholesale of hardware products; Electronic product sales; Sales of mechanical equipment; Import and export of goods; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Automobile sales; Sales of new energy vehicles. (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: Nitrogen Purification Unit, Other Machinery, Explosion Proof Sink

Top 2
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Shandong Aolai Machinery Co., Ltd
Overall Score4.8 / 5
Est. Date2019-11-04
Registered Capital3000K CNY

Shandong Aolai Machinery Co., Ltd., with its registered address at Room 1601, Block A, Zhongde Plaza, Liying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Rencheng District, Jining City. The legal representative is Zhang Guoliang, and the business scope includes general projects: sales of mechanical equipment; Sales of specialized equipment for environmental protection; Sales of construction machinery; Sales of agricultural machinery; Sales of instruments and meters; Sales of firefighting equipment; Sales of new energy vehicles as a whole; Retail of hardware products; Wholesale of hardware products; Electronic product sales; Network technology services; Computer system services (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License project: Import and export of goods (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 results). Core products: Nitrogen Purification Unit, Environmental Protection Machinery, Other

Top 3
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Zhongke Gas Co., Ltd
Overall Score4.8 / 5
Est. Date2018-06-13
Registered Capital100000K CNY

Zhongke Gas Co., Ltd., located at Room 201, Unit 04, Building 001, Zhengzhou Road East and Lianyungang Road North, Beijing Road Street, Economic Development Zone, Rizhao City, Shandong Province, was established on June 13, 2018. The registration authority is the Market Supervision Administration of Rizhao Economic Development Zone, and the legal representative is Han Baozhu. Core products: Nitrogen Purification Unit, Low Temperature Liquid Nitrogen Gas, Short Term Preservation Dedicated Gas Source

TOP4
Suzhou Shengyu Gas Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2010-10-19
Registered Capital2000K CNY

Suzhou Shengyu Gas Equipment Co., Ltd., with its registered address at 102, Building 20, No. 568, Zhongshan South Road, East the Taihu Lake Ecological Tourism Resort (the Taihu Lake New Town), Wujiang District, Suzhou City, is registered by the Administrative Examination and Approval Bureau of Wujiang District, Suzhou City, and its legal representative is Kong Yi. Its business scope includes production and sales of gas compressor equipment and accessories, mechanical equipment, gas purification equipment and accessories, air purification equipment and accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Nitrogen Purification Unit, Fully Automatic Gas Purification Equipment, Semi Automatic Gas Purification Equipment

TOP5
Suzhou Ebola Equipment Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2021-06-11
Registered Capital1000K CNY

Suzhou Ebola Equipment Technology Co., Ltd., registered at No. 589 Yudong Road, Miaoquan Wuzhuang Industrial Park, Guli Town, Changshu City, registered with the Changshu Administrative Approval Bureau and represented by Wang Rongbang as the legal representative. Its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of Class I medical devices; Sales of Class II medical devices; Wholesale of protective equipment for medical staff; Sales of electronic specialized equipment; Sales of power electronic components; Sales of mechanical equipment; Sales of daily glass products; Retail of hardware products; Electronic product sales; Sales of instruments and meters; Sales of office equipment; Sales of rubber products; Furniture sales; Retail of computer software, hardware, and auxiliary equipment; Installation services for ordinary mechanical equipment; Specialized equipment repair; Sales of drug testing instruments; Sales of experimental analytical instruments; Wholesale of hardware products (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law). Core products: Nitrogen Purification Unit, Nitrogen Cabinet, Stainless Steel Glove Box

TOP6
Wuxi Zhongheng Gas Equipment Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2014-02-28
Registered Capital5800K CNY

Wuxi Zhongheng Gas Equipment Manufacturing Co., Ltd., registered at 8-1 South Road, Yangshi Ring Town, Luoshe Town, Huishan District, Wuxi City, registered with the Huishan District Administrative Approval Bureau of Wuxi City, with Liu Yuping as the legal representative. Its business scope includes general projects such as gas and liquid separation and purification equipment manufacturing; Sales of gas and liquid separation and purification equipment; Mechanical equipment research and development; Sales of Class I medical devices; Sales of Class II medical devices; Manufacturing of gas compression machinery; Sales of gas compression machinery; Manufacturing of instruments and meters; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Sales of instruments and meters; General equipment manufacturing (excluding special equipment manufacturing); Wholesale of hardware products; Electronic product sales; Sales of metal products; Sales of building materials; Sales of mechanical equipment; Mechanical equipment leasing; Installation services for ordinary mechanical equipment; General equipment repair; Import and export of goods; Technology import and export; Import and export agency; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law). Core products: Nitrogen Purification Unit, Industrial Nitrogen Generator, Nitrogen Generator

TOP7
Suzhou Guanxu Instrument Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2016-03-04
Registered Capital2000K CNY

Suzhou Guanxu Instrument Equipment Co., Ltd., with its registered address at 599 Fengxing Road, Huaqiao Town, Kunshan City, Jiangsu Province, is registered with the Kunshan Administrative Approval Bureau and represented by Chen Li as its legal representative. Its business scope includes the sales of industrial equipment, electronic components, mechanical equipment, and hardware and electrical equipment; Technical services, consulting, development, and transfer in the field of mechanical equipment technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General projects: Manufacturing of industrial automatic control system devices; Manufacturing of electronic components; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of hardware products (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Core products: Nitrogen Purification Unit, 1800 ° C Tubular Furnace, 1400 ° C Box Type Atmosphere Furnace

TOP8
Langfang Haoheng Environmental Protection Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2020-05-06
Registered Capital5000K CNY

Langfang Haoheng Environmental Protection Equipment Co., Ltd., with its registered address at No. 663, Mentieying Village, Niutuo Town, Gu'an County, Langfang City, Hebei Province, is registered with the Market Supervision Administration of Gu'an County, Langfang City. The legal representative is Li Lei, and its business scope includes the manufacturing, processing, and sales of environmental protection equipment, dust removal equipment, filtration equipment, and purification equipment; Hydraulic oil research and development; Sales: filter cartridges, filters, oil filters, purification equipment, dust removal equipment, dust collector injection molded parts, seals, air compressor accessories, engineering machine accessories, filtration equipment and accessories, valves, hardware, accessories, filters, filter materials, filter paper, filter covers, instruments and meters, filtration equipment and devices; Import and export of goods (projects that require approval according to law, business activities can only be carried out after approval by relevant departments)*. Core products: Nitrogen Purification Unit, Stainless Steel Filter , Aviation Kerosene Filter

TOP9
Dongguan Shengbai Electronics Co., Ltd
Overall Score4.4 / 5
Est. Date2015-10-13
Registered Capital10000K CNY

Dongguan Shengbai Electronics Co., Ltd., registered at Room 602, No. 239 Changan Dezheng Middle Road, Chang'an Town, Dongguan City, Guangdong Province, with the registration authority of Dongguan Market Supervision Administration and the legal representative of Yang Jianxiu, is engaged in the sales, leasing, installation, maintenance, and technical consulting services of electronic equipment and accessories, electronic tools, general mechanical equipment and accessories, testing instruments, automation equipment, office equipment, computer software and hardware, nitrogen equipment, environmental monitoring equipment, semiconductor equipment, semiconductor components, and semiconductor materials; Sales: Industrial consumables, electronic materials, plastic materials, packaging materials, decorative materials, anti-static products, other chemical products (excluding hazardous chemicals); Design, installation, and maintenance services for pipeline engineering; Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Nitrogen Purification Unit, Nitrogen Generator Accessories, Industrial Nitrogen Generator

TOP10
Xinxiang Xinrui Filter Co., Ltd
Overall Score4.4 / 5
Est. Date2025-08-27
Registered Capital500K CNY

Xinxiang Xinrui Filter Co., Ltd., registered at No. 4, storefront on the roadside of Xijiu Market, 500 meters south of Renmin Road and Xihuan Road, Pingyuan Township, Weibin District, Xinxiang City, Henan Province. The registration authority is the Market Supervision and Administration Bureau of Weibin District, Xinxiang City, and the legal representative is Hao Fengqi. The business scope includes general projects: gas and liquid separation and purification equipment manufacturing; Sales of gas and liquid separation and purification equipment; Manufacturing of hydraulic power machinery and components; Sales of pneumatic power machinery and components; Sales of valves and plugs; Sales of gas compression machinery; Manufacturing of general components; General equipment manufacturing (excluding special equipment manufacturing); Sales of electronic components and electromechanical equipment; Sales of metal materials; Mechanical equipment research and development; Sales of specialized equipment for environmental protection; Research and development of new material technology; Sales of mechanical parts and components (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law). Core products: Nitrogen Purification Unit, , Self Cleaning Filter

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Zhongtuo Intelligent Equipment (Shandong) Co., Ltd2019-04-28Nitrogen Purification Unit, Other Machinery, Explosion Proof Sink10000K CNYSupported
Shandong Aolai Machinery Co., Ltd2019-11-04Nitrogen Purification Unit, Environmental Protection Machinery, Other3000K CNYNot Supported
Zhongke Gas Co., Ltd2018-06-13Nitrogen Purification Unit, Low Temperature Liquid Nitrogen Gas, Short Term Preservation Dedicated Gas Source100000K CNYNot Supported
Suzhou Shengyu Gas Equipment Co., Ltd2010-10-19Nitrogen Purification Unit, Fully Automatic Gas Purification Equipment, Semi Automatic Gas Purification Equipment2000K CNYNot Supported
Suzhou Ebola Equipment Technology Co., Ltd2021-06-11Nitrogen Purification Unit, Nitrogen Cabinet, Stainless Steel Glove Box1000K CNYNot Supported
Wuxi Zhongheng Gas Equipment Manufacturing Co., Ltd2014-02-28Nitrogen Purification Unit, Industrial Nitrogen Generator, Nitrogen Generator5800K CNYNot Supported
Suzhou Guanxu Instrument Equipment Co., Ltd2016-03-04Nitrogen Purification Unit, 1800 ° C Tubular Furnace, 1400 ° C Box Type Atmosphere Furnace2000K CNYNot Supported
Langfang Haoheng Environmental Protection Equipment Co., Ltd2020-05-06Nitrogen Purification Unit, Stainless Steel Filter , Aviation Kerosene Filter5000K CNYNot Supported
Dongguan Shengbai Electronics Co., Ltd2015-10-13Nitrogen Purification Unit, Nitrogen Generator Accessories, Industrial Nitrogen Generator10000K CNYNot Supported
Xinxiang Xinrui Filter Co., Ltd2025-08-27Nitrogen Purification Unit, , Self Cleaning Filter500K CNYSupported

Knowledge Base

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This article provides an in-depth analysis of the working principle, application scenarios, and technical characteristics of nitrogen purification equipment, helping readers understand its importance in the industrial and scientific research fields. From basic principles to practical applications, comprehensively demonstrate the core value of nitrogen purification equipment.

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Baidu AiGou has found pictures related to different categories of series nitrogen purification equipment for you, taking you to appreciate the diversity and uniqueness of series nitrogen purification equipment. At the same time, we also recommend high-quality series of nitrogen purification equipment products for you, allowing you to easily and quickly find the most suitable series of nitrogen purification equipment for yourself when purchasing.

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