Updated Aug 31, 2026 · Public platform & industry data

Aug 31, 2026 Updated

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2026 Top 10 Air Tightness Tester Manufacturers in China

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Top-rated Air Tightness Tester suppliers, How to choose a Air Tightness Tester manufacturer, Best Air Tightness Tester companies in China

The top 10 Air Tightness Tester manufacturers in China for 2026 are: Jiangxi Daxin Intelligent IoT Co., Ltd, Shanghai Hengke Instrument Technology Co., Ltd, Dongguan Hongjin Testing Instrument Co., Ltd, Dongguan Puwei Waterproof Breathable Membrane Material Co., Ltd, Kunshan Hongjin Testing Instrument Co., Ltd, Guangzhou Yuexin Experimental Equipment Co., Ltd, Jinan Taichang Instrument Co., Ltd, Shenzhen Xili Instrument Equipment Co., Ltd, Shanghai Shenrui Testing Equipment Manufacturing Co., Ltd, Shenzhen Hairui Si Automation Technology 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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Jiangxi Daxin Intelligent IoT Co., Ltd
Overall Score4.9 / 5
Est. Date2022-06-14
Registered Capital2000K CNY

Jiangxi Daxin Intelligent IoT Co., Ltd., registered at Room 1602, Unit 1, Building 5, Langxian Outlets City, No. 777 Greenland Avenue, Machu Town, Nanchang High tech Industrial Development Zone, Nanchang City, Jiangxi Province, with the Market Supervision and Administration Bureau of Nanchang High tech Industrial Development Zone as the registration authority and Luo Wei as the legal representative, is engaged in general projects including IoT application services, computer system services, security technology prevention system design and construction services, artificial intelligence industry application system integration services, software development, security system monitoring services, data processing and storage support services, information technology consulting services, leasing services (excluding license leasing services), labor services (excluding labor dispatch), intelligent control system integration, technical services, technical development, technical consulting, and technical exchanges. Technology transfer Technology promotion, Internet sales (except for the sales of goods that need to be licensed), electronic product sales, intelligent instrument sales, software sales, security equipment sales, Internet of Things equipment sales, integrated circuit chip and product sales, digital video monitoring system sales, computer software and hardware and auxiliary equipment retail, smart home consumer equipment sales, optical communication equipment sales, domestic trade agents, sales agents, electronic and mechanical equipment maintenance (excluding special equipment), advertising (except for licensing business, can independently operate projects not prohibited or restricted by laws and regulations). Core products: Air Tightness Tester, Insect Detection And Alarm Light, Industrial Carbon Monoxide Detector

Top 2
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Shanghai Hengke Instrument Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2014-12-25
Registered Capital500K CNY

Shanghai Hengke Instrument Technology Co., Ltd., registered at 2nd Floor, Building 11, No. 988 Zhongchun Road, Minhang District, Shanghai, with the Market Supervision Administration of Minhang District as the registration authority and Yang Kaibo as the legal representative, engages in technology development, technical consulting, technical services, and technology transfer in the fields of instrumentation technology, electromechanical technology, electronic technology, and computer technology. Its business scope includes daily necessities, electronic products, hardware and electrical equipment, metal products, mechanical equipment, office supplies, electronic components, electrical equipment, electromechanical equipment, communication equipment (except for satellite TV broadcasting ground receiving facilities), instrumentation, clothing and apparel, shoes and hats, leather products, washing products, craft gifts, computers, software, and auxiliary equipment (except for computer information system security dedicated). Wholesale and retail of products, construction project testing, Manufacturing and processing of mechanical equipment (excluding special equipment), molds, instruments and meters (excluding measuring instruments), welding equipment (limited to branch operations), metal product processing (limited to branch operations), and maintenance of mechanical and electrical equipment. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Air Tightness Tester, Ozone Aging, Shore Hardness Tester

Top 3
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Dongguan Hongjin Testing Instrument Co., Ltd
Overall Score4.7 / 5
Est. Date2007-06-26
Registered Capital10000K CNY

Dongguan Hongjin Testing Instrument Co., Ltd., with its registered address at No. 5, Chuangye 2nd Road, Mujian, Changping Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Zeng Wanxia, and its business scope includes production, research and development, sales, and maintenance; Instrumentation, environmental testing equipment, refrigeration equipment, mechanical and electrical equipment, hardware machinery, electronic products; Software development; 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: Air Tightness Tester, Integrated Sealing Detection Device, Battery Thermal Shock Testing Machine

TOP4
Dongguan Puwei Waterproof Breathable Membrane Material Co., Ltd
Overall Score4.6 / 5
Est. Date2010-07-23
Registered Capital5000K CNY

Dongguan Puwei Waterproof Breathable Membrane Material Co., Ltd., registered at No. 20 Wanjiang Industrial Street, Wanjiang Street, Dongguan City, Guangdong Province, with the Dongguan Market Supervision Administration as the registration authority and Liu Xiangmin as the legal representative, is engaged in licensed projects including inspection and testing services; Authentication services. (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 project: Manufacturing of plastic products; Manufacturing of automotive parts and accessories; Mechanical parts and component processing; Automotive parts research and development; Manufacturing of general components; Sales of mechanical parts and components; Wholesale of automotive spare parts; Valve and plug research and development; Sales of valves and plugs; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of plastic products; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Promotion services for new material technology; Engineering and technical research and experimental development; Sales of power electronic components; Manufacturing of power electronic components; Wholesale of electronic components; Retail of electronic components; Manufacturing of electronic components and electromechanical equipment; Sales of electronic components and electromechanical equipment; Manufacturing of metal materials; Sales of metal materials; Mold sales; Certification consulting; Import and export of goods. (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: Air Tightness Tester, Unidirectional Pressure Relief Valve, Check Valve

TOP5
Kunshan Hongjin Testing Instrument Co., Ltd
Overall Score4.6 / 5
Est. Date2021-08-04
Registered Capital5000K CNY

Kunshan Hongjin Testing Instrument Co., Ltd., with its registered address at Building 3, No. 150 Bowei Road, Zhangpu Town, Kunshan City, is registered with Kunshan Data Bureau and represented by Sun Xuejiao. Its business scope includes licensed projects such as import and export of goods; Technology import and export (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results) General projects: sales of experimental analytical instruments; Sales of testing machines; Sales of refrigeration and air conditioning equipment; Sales of instruments and meters; Instrument and meter repair; Retail of hardware products; Electronic product sales; Sales of mechanical equipment; General equipment repair; Specialized equipment repair; Software development (except for projects that require approval according to law, conducting business activities independently with a business license in accordance with the law). Core products: Air Tightness Tester, Bicycle Frame Front Fork Drop Impact Testing Machine, Image Measuring Instrument

TOP6
Guangzhou Yuexin Experimental Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2013-10-29
Registered Capital2000K CNY

Guangzhou Yuexin Experimental Equipment Co., Ltd., with its registered address at 101, No. 3 Jiangjunzi Road, Dalong Street, Panyu District, Guangzhou City, registered with the Market Supervision Administration of Panyu District, Guangzhou City, and represented by Wan Fang as its legal representative. Its business scope includes mold sales; Manufacturing of specialized equipment for environmental protection; Manufacturing of specialized electrical and mechanical equipment; Mold manufacturing; Manufacturing of electronic components and electromechanical equipment; Mechanical parts and component processing; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of spray guns and similar equipment; Manufacturing of mechanical and electrical equipment; Manufacturing of electrical accessories; Manufacturing of other general instruments; Manufacturing of testing machines; Manufacturing of optical instruments; Manufacturing of instruments and meters; Electrical equipment repair; General equipment repair; Instrument and meter repair; Specialized equipment repair; Mechanical equipment leasing; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Mechanical equipment research and development; Sales of testing machines; Sales of industrial automatic control system devices; Sales of intelligent instruments and meters; Sales of electrical instruments and meters; Sales of electrical and mechanical equipment; Sales of instruments and meters; Internet sales (except for the sale of goods that need to be licensed); Sales of spray guns and similar equipment; Sales of mechanical parts and components; Sales of electrical accessories; Sales of intelligent in car devices; Sales of experimental analytical instruments; Sales of specialized equipment for environmental protection; Internet equipment sales; Sales of electronic components and electromechanical equipment; Sales of electrical equipment; Manufacturing of refrigeration and air conditioning equipment; Manufacturing of general components; Manufacturing of experimental analytical instruments; Manufacturing of intelligent instruments and meters; Manufacturing of industrial automatic control system devices; Network technology services; Software development; Internet of Things technology services; Information technology consulting services; Research and development of intelligent robots; Intelligent control system integration; Measurement services; Research and development of Internet of Things technology; Engineering and technical research and experimental development; Industrial design services; Professional design services;. Core products: Air Tightness Tester, Ip Comprehensive Rain Test Box, Ipx7 Immersion Test Chamber

TOP7
Jinan Taichang Instrument Co., Ltd
Overall Score4.5 / 5
Est. Date2018-01-03
Registered Capital5000K CNY

Jinan Taichang Instrument Co., Ltd., with its registered address at No. 3, 5th Street, Xinsha Industrial Park, Huaiyin District, Jinan City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Huaiyin District, Jinan City. The legal representative is Cui Min. Its business scope includes the technical development, production, sales, and technical services of instruments, testing machines, and laboratory equipment; machining; Technical development, sales, and technical services of mechanical equipment, computer software and hardware, and electronic products; Wholesale and retail: hardware and electrical equipment, office supplies, metal materials, packaging machinery, plastic products, building materials; Construction machinery leasing; Import and export business. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Air Tightness Tester, Tensile Testing Machine, Standard Light Source Color Light Box

TOP8
Shenzhen Xili Instrument Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2017-03-01
Registered Capital10000K CNY

Shenzhen Xili Instrument Equipment Co., Ltd., with its registered address at Room 905, Building 3, Longbang High tech Industrial Park, No. 375 Kejie 2nd Road, Shutianpu Community, Matian Street, Guangming District, Shenzhen, is registered with the Shenzhen Market Supervision Administration and represented by Zhu Bo as the legal representative. Its business scope includes the development, transfer, and sale of computer software technology; Research and development, technology transfer, and sales of automation equipment and accessories, electronic products and accessories, instruments and meters, and chemical materials (excluding hazardous chemicals); Import and export of goods and technology. Manufacturing of instruments and meters; Instrument and meter repair. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law); Non residential real estate leasing. (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) Property management. (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: Air Tightness Tester, Plastic Bottle For Leak Detection Of Air Tightness, Instrument

TOP9
Shanghai Shenrui Testing Equipment Manufacturing Co., Ltd
Overall Score4.4 / 5
Est. Date2005-01-05
Registered Capital5000K CNY

Shanghai Shenrui Testing Equipment Manufacturing Co., Ltd., with its registered address at No. 318, Xingta Village, Xingta Town, Jinshan District, Shanghai, is registered with the Jinshan District Market Supervision and Administration Bureau. The legal representative is Zeng Xiudi, and its business scope includes the manufacturing and sales of testing instruments and meters for construction roads, maintenance of mechanical and electrical equipment (excluding special equipment), hardware tools, glassware, chemical products and raw materials (excluding hazardous chemicals, monitoring chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), building materials, department stores, and sales of office supplies. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Air Tightness Tester, Glass Bead Sieve, Marking Measuring Instrument

TOP10
Shenzhen Hairui Si Automation Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2008-08-22
Registered Capital21823.984999999997K CNY

Shenzhen Hairui Si Automation Technology Co., Ltd., registered at 201, Building B, No. 7004 Songbai Road, Shanmen Community, Yanluo Street, Bao'an District, Shenzhen, with the Shenzhen Market Supervision Administration as the registration authority and Zhang Yinghai as the legal representative. Its business scope includes the import and export of goods and technology (excluding projects prohibited by laws, administrative regulations, and decisions of the State Council, and restricted projects must obtain a license before operation); Mechanical equipment leasing; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of mechanical equipment; Sales of instruments and meters; Internet sales (except for sales of goods that require a license). (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law) Manufacturing of intelligent instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Manufacturing of industrial automatic control system devices; Manufacturing of electronic measuring instruments; Industrial robot manufacturing; Production of fixtures, jigs, molds, and automation products; Production of Class II and III radiation equipment; Non destructive testing of civil nuclear safety equipment; Sales of Class II and III radiation 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: Air Tightness Tester, Connector, Hydrogen Nitrogen Leak Detector

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Jiangxi Daxin Intelligent IoT Co., Ltd2022-06-14Air Tightness Tester, Insect Detection And Alarm Light, Industrial Carbon Monoxide Detector2000K CNYNot Supported
Shanghai Hengke Instrument Technology Co., Ltd2014-12-25Air Tightness Tester, Ozone Aging, Shore Hardness Tester500K CNYSupported
Dongguan Hongjin Testing Instrument Co., Ltd2007-06-26Air Tightness Tester, Integrated Sealing Detection Device, Battery Thermal Shock Testing Machine10000K CNYNot Supported
Dongguan Puwei Waterproof Breathable Membrane Material Co., Ltd2010-07-23Air Tightness Tester, Unidirectional Pressure Relief Valve, Check Valve5000K CNYNot Supported
Kunshan Hongjin Testing Instrument Co., Ltd2021-08-04Air Tightness Tester, Bicycle Frame Front Fork Drop Impact Testing Machine, Image Measuring Instrument5000K CNYNot Supported
Guangzhou Yuexin Experimental Equipment Co., Ltd2013-10-29Air Tightness Tester, Ip Comprehensive Rain Test Box, Ipx7 Immersion Test Chamber2000K CNYNot Supported
Jinan Taichang Instrument Co., Ltd2018-01-03Air Tightness Tester, Tensile Testing Machine, Standard Light Source Color Light Box5000K CNYNot Supported
Shenzhen Xili Instrument Equipment Co., Ltd2017-03-01Air Tightness Tester, Plastic Bottle For Leak Detection Of Air Tightness, Instrument10000K CNYNot Supported
Shanghai Shenrui Testing Equipment Manufacturing Co., Ltd2005-01-05Air Tightness Tester, Glass Bead Sieve, Marking Measuring Instrument5000K CNYNot Supported
Shenzhen Hairui Si Automation Technology Co., Ltd2008-08-22Air Tightness Tester, Connector, Hydrogen Nitrogen Leak Detector21823.984999999997K CNYNot Supported

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