Updated Sep 12, 2026 · Public platform & industry data

Sep 12, 2026 Updated

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2026 Top 10 Sealing Test Equipment Manufacturers in China

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Top-rated Sealing Test Equipment suppliers, How to choose a Sealing Test Equipment manufacturer, Best Sealing Test Equipment companies in China

The top 10 Sealing Test Equipment manufacturers in China for 2026 are: Gaohongjie Intelligent Equipment (Guangdong) Co., Ltd, Shandong Yuntang Intelligent Technology Co., Ltd, Shandong Lanjing Electronic Technology Co., Ltd, Jinan Saicheng Electronic Technology Co., Ltd, Jinan Languang Electromechanical Technology Co., Ltd, Shandong Tianyan Instrument Co., Ltd, Shandong Hengmei Electronic Technology Co., Ltd, Shanghai Huoheng Environmental Protection Technology Co., Ltd, Jinan Mile Instrument Co., Ltd, Shandong Puchuang Industrial 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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Gaohongjie Intelligent Equipment (Guangdong) Co., Ltd

Room 101, Building 2, No. 19-1 Zhugang Road, Chang'an Town, Dongguan City, Guangdong Province

Overall Score4.9 / 5
Est. Date2022-08-02
Registered Capital31800K CNY

Gaohongjie Intelligent Equipment (Guangdong) Co., Ltd., located at Room 101, Building 2, No. 19-1 Zhugang Road, Chang'an Town, Dongguan City, Guangdong Province, was established on August 2, 2022. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Jiangshui Gold. Core products: Sealing Test Equipment, Flow Resistance Thermal Resistance Machine, Laboratory Vacuum Dryer

Top 2
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Shandong Yuntang Intelligent Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2015-12-01
Registered Capital5000K CNY

Shandong Yuntang Intelligent Technology Co., Ltd., registered at Room 415, Building 1, Optoelectronic Industry Accelerator (Phase I), Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province, registered with the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone, with Wang Xiaohong as the legal representative. Its business scope includes general projects such as software development; Manufacturing of instruments and meters; Manufacturing of experimental analytical instruments; Sales of instruments and meters; Sales of specialized teaching instruments; Electronic product sales; Manufacturing of other specialized instruments; Sales of chemical products (excluding licensed chemical products); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Information consulting services (excluding licensed information consulting services); Enterprise management consulting; Engineering management services; Research and development of Internet of Things technology; Manufacturing of IoT devices; Sales of IoT devices; Intelligent control system integration; Air pollution control; Water pollution control; Environmental protection monitoring; Technology import and export; 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: Sealing Test Equipment, Food Rapid Inspection Equipment, Atp Fluorescence Detector

Top 3
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Shandong Lanjing Electronic Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2019-12-24
Registered Capital3000K CNY

Shandong Lanjing Electronic Technology Co., Ltd. is registered at Room 105, 1st Floor, Workshop 3, Oulong Technology Park, No.1 Jinma Road, Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province. The registration authority is the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone, and the legal representative is Zhang Xiaotong. The 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 issued by relevant departments.) General project: Internet of Things technology services; Manufacturing of IoT devices; Manufacturing of network equipment; Sales of network equipment; Manufacturing of intelligent unmanned aerial vehicles; Sales of intelligent unmanned aerial vehicles; Manufacturing of testing machines; Sales of testing machines; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of electronic measuring instruments; Sales of electronic measuring instruments; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Repair of communication equipment; Electrical equipment repair; Specialized equipment repair; Instrument and meter repair; Sales of broadcasting and film equipment; Electronic product sales; Sales of specialized equipment for environmental protection; Sales of office equipment; Sales of chemical products (excluding licensed chemical products); Sales of specialized teaching instruments; Sales of mechanical equipment; Retail of hardware products; Wholesale of hardware products; Environmental consulting services; Industrial engineering design services; Enterprise management consulting; Internet data service; Software development; Sales of Class I medical devices; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Engineering management 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: Sealing Test Equipment, Plant Physiological Detection Instrument, Soil Testing Instruments

TOP4
Jinan Saicheng Electronic Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2007-07-20
Registered Capital6000K CNY

Jinan Saicheng Electronic Technology Co., Ltd., with its registered address at Building 101, 2-10, Luchun Tianhong Chuanggu Center, Tangye Street, Licheng District, Jinan City, Shandong Province, is registered with the Market Supervision Administration of Licheng District, Jinan City. The legal representative is Wei Shukun, and the business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Electronic product sales; Wholesale of electronic components; Retail of electronic components; Manufacturing of electronic components; Sales of mechanical equipment; Manufacturing of computer software, hardware, and peripheral devices; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Manufacturing of experimental analytical instruments; Manufacturing of instruments and meters; Sales of instruments and meters; Sales of experimental analytical instruments; Manufacturing of electronic specialized equipment; Sales of electronic specialized equipment; Sales of testing machines; Manufacturing of testing machines; Manufacturing of specialized teaching instruments; Sales of specialized teaching instruments; Sales of household appliances; Household appliance manufacturing (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) License project: import and export of goods; Technology import and export; Import and export agency (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results). Core products: Sealing Test Equipment, Leakage And Sealing Detection, Water Vapor Permeability Tester

TOP5
Jinan Languang Electromechanical Technology Co., Ltd
Overall Score4.6 / 5
Est. Date1989-11-27
Registered Capital5000K CNY

Jinan Languang Electromechanical Technology Co., Ltd., with its registered address at No. 144 Wuyingshan Road, Tianqiao District, Jinan City, is registered with the Market Supervision and Administration Bureau of Tianqiao District, Jinan City. The legal representative is Jiang Yunzhong, and its business scope includes the development, manufacturing, sales, and related technical services of testing instruments, meters, and mechanical equipment; Development and sales of computer software; 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: Sealing Test Equipment, Oxygen Permeability Tester, Friction Coefficient Tester

TOP6
Shandong Tianyan Instrument Co., Ltd
Overall Score4.5 / 5
Est. Date2021-12-21
Registered Capital5000K CNY

Shandong Tianyan Instrument Co., Ltd., with its registered address at Room 423, 4th Floor, Building 1, Optoelectronic Industry Accelerator (Phase I), No. 155 Guangdian Road, Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province, is registered with the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone. The legal representative is Zhou Yong, and the business scope includes general projects: manufacturing of experimental and analytical instruments; Manufacturing of instruments and meters; Sales of instruments and meters; Sales of specialized teaching instruments; Electronic product sales; Manufacturing of specialized instruments; Sales of chemical products (excluding licensed chemical products); Software development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Information consulting services (excluding licensed information consulting services); Enterprise management consulting; Engineering management services; Research and development of Internet of Things technology; Manufacturing of IoT devices; Sales of IoT devices; Intelligent control system integration; Air pollution control; Water pollution control; Environmental protection monitoring; Sales of specialized chemical products (excluding hazardous chemicals); General equipment repair; Specialized equipment repair; Mechanical equipment leasing; Rental services (excluding licensed rental 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: Sealing Test Equipment, Food Safety Detector, Pesticide Residue Detector

TOP7
Shandong Hengmei Electronic Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2014-09-09
Registered Capital65000K CNY

Shandong Hengmei Electronic Technology Co., Ltd., with its registered address at Workshop 3, Oulong Science and Technology Park, No.1 Jinma Road, Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province, is registered with the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone. The legal representative is Wang Yongheng, and the business scope includes licensed projects such as construction projects; Construction project supervision. (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: sales of experimental analytical instruments; Manufacturing of experimental analytical instruments; Sales of office equipment and consumables; Manufacturing of office equipment consumables; Sales of IoT devices; Manufacturing of IoT devices; Internet of Things application services; Research and development of Internet of Things technology; Internet of Things technology services; Electronic product sales; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Sales of office equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Basic software development for artificial intelligence; Research and development of intelligent robots; Air pollution control; Water pollution control; Sales of intelligent unmanned aerial vehicles; Manufacturing of intelligent unmanned aerial vehicles; Environmental protection monitoring; Sales of instruments and meters; Manufacturing of instruments and meters; Instrument and meter repair; Sales of chemical products (excluding licensed chemical products); Sales of specialized teaching instruments; Manufacturing of specialized teaching instruments; Sales of teaching models and teaching aids; Sales of communication equipment; Repair of communication equipment; Sales of mechanical equipment; Sales of metal materials; Sales of metal products; Information consulting services (excluding licensed information consulting services); Enterprise management consulting; Import and export of goods; Technology import and export; Sales of Class II medical devices; Manufacturing of intelligent instruments and meters; Sales of intelligent instruments and meters; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Sales of electronic measuring instruments; Manufacturing of electronic measuring instruments; Manufacturing of testing machines; Sales of testing machines; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Retail of hardware products; Software development; Mechanical equipment research and development; Specialized equipment repair; General equipment repair; business management; Internet security services; Environmental emergency management services; Socio economic consulting services; Water pollution prevention and control services; Development of artificial intelligence application software; Research and development of marine engineering equipment; Research and development of online energy monitoring technology; Research and development of online energy metering technology; Research and development of emerging energy technologies. (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: Sealing Test Equipment, Test Instrument, Process Analysis

TOP8
Shanghai Huoheng Environmental Protection Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2010-11-08
Registered Capital5000K CNY

Shanghai Huoheng Environmental Protection Technology Co., Ltd., registered at Room 607-4, No. 32 Tieling Road, Yangpu District, Shanghai, with the registration authority of Yangpu District Market Supervision Bureau and the legal representative of Liao Mingjun, is engaged in the development, transfer, consulting, and services of environmental protection technology and automation control systems for environmental protection equipment; Sales of environmental protection equipment, communication equipment (excluding satellite TV broadcasting ground receiving facilities), electromechanical equipment, electronic equipment, instruments and computer software and hardware (excluding computer information system security products). Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Sealing Test Equipment, Probe Card Needle Position Testing Machine, Probe Card Testing Machine

TOP9
Jinan Mile Instrument Co., Ltd
Overall Score4.4 / 5
Est. Date2011-09-29
Registered Capital3000K CNY

Jinan Mile Instrument Co., Ltd., registered at Building 12-602, Phase 2, No. 1, Liandong U Valley, Jinan Zhangjin Comprehensive Bonded Zone Science and Technology Innovation Center, Suncun Street, Jinan Area, China (Shandong) Pilot Free Trade Zone, registered with the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee, with Li Guangying as the legal representative. Its business scope includes the manufacturing of experimental analysis instruments, testing machines, and electronic measuring instruments; Technical development, wholesale, and retail of experimental instruments and accessories, industrial control systems, mechanical equipment, electronic products, computer software and hardware; Wholesale and retail of instruments, environmental protection equipment, electronic products, hardware and electrical equipment, office supplies, metal materials, plastic products, and building materials; Construction machinery leasing (excluding financing leasing); Import and export business, as well as other projects that are not prohibited or require business licenses according to laws, regulations, and decisions of the State Council. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sealing Test Equipment, Needle Hole Tester, Pressure Tester

TOP10
Shandong Puchuang Industrial Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2009-09-15
Registered Capital5000K CNY

Shandong Puchuang Industrial Technology Co., Ltd., registered at 1st Floor, Building 103, Zone E, Times Headquarters Base, No. 15 Lanxiang Road, Yaoshan Street, Tianqiao District, Jinan City, Shandong Province, China. The registration authority is the Market Supervision Administration of Tianqiao District, Jinan City, and the legal representative is Shui Hao. The business scope includes general projects: manufacturing of experimental and analytical instruments; Mechanical equipment research and development; Manufacturing of instruments and meters; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of testing machines; Computer system services; Software development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of industrial control computers and systems; Manufacturing of computer software, hardware, and peripheral devices; Measurement technology services; Instrument and meter repair; Specialized equipment repair; Maintenance of electronic and mechanical equipment (excluding special equipment); Mechanical equipment leasing; Sales of experimental analytical instruments; Sales of testing machines; Sales of instruments and meters; Sales of mechanical equipment; Software sales; Electronic product sales; Sales of pumps and vacuum equipment; Sales of electrical equipment; Sales of metal products; Retail of hardware products; Sales of household appliances; Sales of office supplies; Import and export agency; Technology import and export; 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: Sealing Test Equipment, Bursting Strength Tester, Water Vapor Permeability Tester

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Gaohongjie Intelligent Equipment (Guangdong) Co., Ltd2022-08-02Sealing Test Equipment, Flow Resistance Thermal Resistance Machine, Laboratory Vacuum Dryer31800K CNYNot Supported
Shandong Yuntang Intelligent Technology Co., Ltd2015-12-01Sealing Test Equipment, Food Rapid Inspection Equipment, Atp Fluorescence Detector5000K CNYSupported
Shandong Lanjing Electronic Technology Co., Ltd2019-12-24Sealing Test Equipment, Plant Physiological Detection Instrument, Soil Testing Instruments3000K CNYNot Supported
Jinan Saicheng Electronic Technology Co., Ltd2007-07-20Sealing Test Equipment, Leakage And Sealing Detection, Water Vapor Permeability Tester6000K CNYNot Supported
Jinan Languang Electromechanical Technology Co., Ltd1989-11-27Sealing Test Equipment, Oxygen Permeability Tester, Friction Coefficient Tester5000K CNYNot Supported
Shandong Tianyan Instrument Co., Ltd2021-12-21Sealing Test Equipment, Food Safety Detector, Pesticide Residue Detector5000K CNYNot Supported
Shandong Hengmei Electronic Technology Co., Ltd2014-09-09Sealing Test Equipment, Test Instrument, Process Analysis65000K CNYNot Supported
Shanghai Huoheng Environmental Protection Technology Co., Ltd2010-11-08Sealing Test Equipment, Probe Card Needle Position Testing Machine, Probe Card Testing Machine5000K CNYNot Supported
Jinan Mile Instrument Co., Ltd2011-09-29Sealing Test Equipment, Needle Hole Tester, Pressure Tester3000K CNYNot Supported
Shandong Puchuang Industrial Technology Co., Ltd2009-09-15Sealing Test Equipment, Bursting Strength Tester, Water Vapor Permeability Tester5000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of sealing testing equipment, it is recommended to prioritize checking the key technical parameters of the equipment, such as testing pressure range, accuracy level, and applicable medium type, to ensure that they match the actual testing requirements.
  • The application scenarios of sealing test equipment in industries such as pharmaceutical packaging and automotive parts vary greatly. When purchasing, it is necessary to clarify whether the equipment supports specific industry standards or special testing conditions.
  • When selecting suppliers, priority should be given to product matching, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information to reduce procurement risks.
  • In the actual procurement process of sealing test equipment, it is recommended to pay attention to the automation level and data processing function of the equipment. Efficient and stable performance can improve the detection efficiency of the production line.

Knowledge Base

Q

This article introduces commonly used instruments and test bench types for valve sealing testing, analyzes their working principles and applicable scenarios, and helps readers understand how to choose appropriate testing tools to ensure valve sealing performance.

Q

The stainless steel pipe sealing test device is a specialized equipment used to test the sealing performance of stainless steel pipes and their connectors. This device can ensure that stainless steel pipes will not leak due to poor sealing in practical use, which is crucial for ensuring the safety and reliability of pipeline systems. The sealing test device for stainless steel pipes usually includes a pressure application system, a sealing test fixture, and a detector

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