Updated Sep 2, 2026 · Public platform & industry data

Sep 2, 2026 Updated

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2026 Top 10 Flaw Detector Manufacturers in China

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Top-rated Flaw Detector suppliers, How to choose a Flaw Detector manufacturer, Best Flaw Detector companies in China

The top 10 Flaw Detector manufacturers in China for 2026 are: Shanghai Anzhu Optoelectronics Technology Co., Ltd, Shanghai Haiheng Electromechanical Instrument Co., Ltd, Shanghai Hongxi Testing Equipment Manufacturing Co., Ltd, Shanghai Minghe Instrument Co., Ltd, Dongguan Daquan Instrument Equipment Co., Ltd, Sichuan Xinchangxing Grid Technology Co., Ltd, Sheyang Magnetic Lida Non destructive Testing Equipment Co., Ltd, Shandong Zhongke Puri Testing Technology Co., Ltd, Shandong Yuntang Intelligent Technology Co., Ltd, Shandong Likuang Heavy Industry Machinery 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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Shanghai Anzhu Optoelectronics Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2019-07-24
Registered Capital5000K CNY

Shanghai Anzhu Optoelectronic Technology Co., Ltd., with its registered address at 4th Floor, Building 12, No. 14, Lane 258, Yinlong Road, Jiading District, Shanghai, is registered with the Jiading District Market Supervision Administration. The legal representative is Zhong Huakai, and the business scope includes the development, transfer, consulting, and services of optoelectronic technology, Class I, Class II, and Class III medical device technology, as well as the production of Class II medical devices (portable X-ray machines, fixed X-ray machines), The assembly of X-ray flaw detectors, sales of Class I and Class II medical equipment, testing equipment, optical instruments, instrumentation, electronic equipment, electromechanical equipment, communication equipment, and security equipment, software development, testing of testing equipment (excluding special equipment), leasing of testing equipment and electromechanical equipment (excluding financial leasing), installation and maintenance of electromechanical equipment (excluding special equipment), import and export of goods or technology (excluding goods and technology prohibited by the state or involving administrative approval). Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Flaw Detector, Animal/Aquatic/Poultry/Scientific X-Ray Detection Equipment, High Voltage Tension/Clamp/Cable/Fiber Optic/Etc. Testing

Top 2
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Shanghai Haiheng Electromechanical Instrument Co., Ltd

No. 39 Xingfa Road, Xingta Town, Jinshan District, Shanghai

Overall Score4.7 / 5
Est. Date1998-10-26
Registered Capital5000K CNY

Shanghai Haiheng Electromechanical Instrument Co., Ltd., located at No. 39 Xingfa Road, Xingta Town, Jinshan District, Shanghai, was established on October 26, 1998. The registered authority is the Shanghai Municipal Administration for Market Regulation, and the legal representative is Wang Zhiwu. Core products: Flaw Detector, Residual Chlorine Analyzer, Detector

Top 3
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Shanghai Hongxi Testing Equipment Manufacturing Co., Ltd
Overall Score4.7 / 5
Est. Date2012-07-24
Registered Capital10000K CNY

Shanghai Hongxi Testing Equipment Manufacturing Co., Ltd. is registered at No. 16, Lane 6666, Songze Avenue, Qingpu District, on the west side of the first floor. The registration authority is the Qingpu District Market Supervision Administration, and the legal representative is Ye Zhaohua. Its business scope includes the production and processing of non-destructive testing equipment and accessory equipment, mechanical and electrical equipment, and mechanical equipment, as well as the sale of self-produced products. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Flaw Detector, Penetration Testing Equipment, Accessories For Non-Destructive Testing Consumables

TOP4
Shanghai Minghe Instrument Co., Ltd
Overall Score4.6 / 5
Est. Date2009-10-12
Registered Capital2000K CNY

Shanghai Minghe Instrument Co., Ltd., with its registered address at No. 1599 Pingzhuang West Road, Fengxian District, Shanghai, registered with the Market Supervision Administration of Fengxian District, and represented by Tan Tiansen as its legal representative. Its business scope includes general projects such as instrument manufacturing and branch operations; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of instruments and meters; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Software sales; Sales of communication equipment; Sales of communication equipment; Electronic product sales; Sales of mechanical equipment; Retail of hardware products; Wholesale of hardware products; Sales of building materials; Sales of office supplies; Import and export of goods; Technology import and export. (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: Flaw Detector, , Surface Pollution Monitoring Device

TOP5
Dongguan Daquan Instrument Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2009-09-23
Registered Capital8000K CNY

Dongguan Daquan Instrument Equipment Co., Ltd. is registered at Room 401, No. 36, Tiyu Road, Houjie Town, Dongguan City, Guangdong Province. The registration authority is the Dongguan Market Supervision Administration, and the legal representative is Xu Bingfu. Its business scope includes production, sales, and maintenance of instruments and experimental equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Flaw Detector, Adhesive Testing Equipment, Environmental Testing Instruments

TOP6
Sichuan Xinchangxing Grid Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2012-06-28
Registered Capital15800K CNY

Sichuan Xinchangxing Grid Technology Co., Ltd., with its registered address located in the North District of Shifang Economic Development Zone, Sichuan Province, is registered with the Market Supervision Administration of Shifang City. The legal representative is Tang Dianli, and its business scope includes technology promotion and application services; Manufacturing of metal structures (business activities can only be carried out after passing environmental impact assessments); Manufacturing of lightweight building materials (business activities can only be carried out after passing environmental impact assessments); Decoration and renovation of public buildings; Steel structure engineering; Building curtain wall engineering; Selling building materials (excluding sand and gravel); Demolition activities of buildings (excluding blasting operations); Fire protection facility engineering; Manufacturing of metal doors and windows (business activities can only be carried out after passing the environmental impact assessment). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Flaw Detector, Grid Frame, Welding Hollow Balls

TOP7
Sheyang Magnetic Lida Non destructive Testing Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2017-12-20
Registered Capital2500K CNY

Sheyang Cilida Non destructive Testing Equipment Co., Ltd., with its registered address at 300 Fahong Street, Sheyang County, is registered with the Sheyang County Administrative Approval Bureau and represented by Miao Zhiguo. Its business scope includes the manufacturing, sales, installation, and maintenance of non-destructive testing equipment and its accessories, as well as general mechanical equipment and its accessories; Non destructive testing services; Sales of electronic instruments, electronic devices, hardware products, electrical equipment, and labor protection equipment; Import and export business of various commodities and technologies through self operation and agency (excluding commodities and technologies restricted or prohibited from import and export by the state). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Flaw Detector, Demagnetization Machine, Fluorescent Penetration Detection Line

TOP8
Shandong Zhongke Puri Testing Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2013-06-18
Registered Capital40000K CNY

Shandong Zhongke Puri Testing Technology Co., Ltd., registered at Room 201, 2nd Floor, Building 5, Third Accelerator, Weifang Optoelectronic Industry Park, No. 66 Yinfeng Road, Yulong 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 Yin Jianhua as the legal representative. Its business scope includes general projects such as intelligent instrument manufacturing; Sales of intelligent instruments and meters; Intelligent control system integration; Sales of intelligent basic manufacturing equipment; Research and development of electronic specialized materials; Manufacturing of electronic specialized materials; Sales of electronic specialized materials; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Sales of mechanical parts and components; Sales of electronic components and electromechanical equipment; Manufacturing of hydraulic power machinery and components; Sales of hydraulic power machinery and components; Manufacturing of testing machines; Sales of testing machines; Manufacturing of other general instruments; Industrial Internet data service; Information system integration services; Sales of mechanical equipment; Sales of metal cutting and welding equipment; Sales of metal cutting machine tools; Sales of special equipment; Sales of industrial robots; Sales of industrial control computers and systems; Sales of industrial automatic control system devices; Electrical equipment repair; Sales of rubber products; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; 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: Flaw Detector, Ilakor Coating Thickness Gauge From The United States, Flash Measuring Instrument

TOP9
Shandong Yuntang Intelligent Technology Co., Ltd
Overall Score4.4 / 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: Flaw Detector, Pesticide Residue Detector, Soil Nutrient Detector

TOP10
Shandong Likuang Heavy Industry Machinery Co., Ltd
Overall Score4.4 / 5
Est. Date2023-11-03
Registered Capital30000K CNY

Shandong Likuang Heavy Industry Machinery Co., Ltd., with its registered address at No.1 South Office, 1st Floor, Jieweixun Industrial Park Office Building, Jiezhuang Street, High tech Zone, Jining City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone. The legal representative is Wang Wanting, and the business scope includes general projects such as mechanical equipment sales; Sales of mining machinery; Sales of instruments and meters; Sales of firefighting equipment; Sales of chemical products (excluding licensed chemical products); Sales of construction machinery; Sales of metal structures; Installation services for ordinary mechanical equipment; Sales of mechanical parts and components; Sales of railway transportation equipment; Sales of metal materials. (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: Flaw Detector, Spraying Equipment, Chemical Equipment

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Anzhu Optoelectronics Technology Co., Ltd2019-07-24Flaw Detector, Animal/Aquatic/Poultry/Scientific X-Ray Detection Equipment, High Voltage Tension/Clamp/Cable/Fiber Optic/Etc. Testing5000K CNYNot Supported
Shanghai Haiheng Electromechanical Instrument Co., Ltd1998-10-26Flaw Detector, Residual Chlorine Analyzer, Detector5000K CNYNot Supported
Shanghai Hongxi Testing Equipment Manufacturing Co., Ltd2012-07-24Flaw Detector, Penetration Testing Equipment, Accessories For Non-Destructive Testing Consumables10000K CNYNot Supported
Shanghai Minghe Instrument Co., Ltd2009-10-12Flaw Detector, , Surface Pollution Monitoring Device2000K CNYNot Supported
Dongguan Daquan Instrument Equipment Co., Ltd2009-09-23Flaw Detector, Adhesive Testing Equipment, Environmental Testing Instruments8000K CNYNot Supported
Sichuan Xinchangxing Grid Technology Co., Ltd2012-06-28Flaw Detector, Grid Frame, Welding Hollow Balls15800K CNYSupported
Sheyang Magnetic Lida Non destructive Testing Equipment Co., Ltd2017-12-20Flaw Detector, Demagnetization Machine, Fluorescent Penetration Detection Line2500K CNYNot Supported
Shandong Zhongke Puri Testing Technology Co., Ltd2013-06-18Flaw Detector, Ilakor Coating Thickness Gauge From The United States, Flash Measuring Instrument40000K CNYNot Supported
Shandong Yuntang Intelligent Technology Co., Ltd2015-12-01Flaw Detector, Pesticide Residue Detector, Soil Nutrient Detector5000K CNYSupported
Shandong Likuang Heavy Industry Machinery Co., Ltd2023-11-03Flaw Detector, Spraying Equipment, Chemical Equipment30000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of flaw detectors, it is recommended to prioritize checking the key technical parameters of the equipment, such as detection accuracy, penetration capability, and applicable material range, to ensure that they match the characteristics of the workpiece to be inspected.
  • In different application scenarios such as oil pipelines or aerospace components, the portability, environmental adaptability, and data output methods of flaw detectors may become important considerations.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information.
  • If it involves testing tasks in high temperature or corrosive environments, attention should be paid to the protection level and special functional design of the flaw detector, such as explosion-proof or corrosion-resistant performance.

Knowledge Base

Q

This article analyzes the functional characteristics, applicable scenarios, and key points for purchasing flaw detection line detectors, helping industrial users quickly understand the core value and usage skills of such equipment.

Q

The flaw detector can detect various types of defects. Ultrasonic flaw detectors can detect defects such as cracks, holes, inclusions, etc. inside materials. Cracks are internal fracture parts of materials, and ultrasonic flaw detectors determine the location and size of cracks based on the characteristics of reflected waves. Holes are internal voids in materials that also generate special reflected waves. Inclusion refers to other substances mixed inside the material, which can also be detected

Q

The steel pipe flaw detector is mainly used to detect defects inside the steel pipe. During the production and manufacturing process of steel pipes, problems such as cracks and holes may occur. The flaw detector can detect the discontinuity of the internal structure of steel pipes through specific technical means. For example, when there are small cracks inside the steel pipe, the flaw detector can capture this abnormal signal. It can detect the differences inside the steel pipe

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