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Quality Control Product List and Ranking from 18 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Quality Control Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. テクネ計測 Kanagawa//Testing, Analysis and Measurement
  2. NAITO Aichi//Machine elements and parts
  3. 宮本 本社 Tokyo//Other manufacturing
  4. 4 有明技研 Fukuoka//Manufacturing and processing contract
  5. 5 平山 東京本社 Tokyo//Service Industry
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Quality Control Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. About quality management テクネ計測
  2. NAITO's Technical Expertise: Quality Control NAITO
  3. About quality management 宮本 本社
  4. 4 A system to "not produce," "not create," and "not allow" defects. 平山 東京本社
  5. 4 Quality control ニッシン

Quality Control Product List

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About quality management

About quality management

We are building a quality management system based on ISO 9001!

We believe that our products are essential for quality management, supporting activities such as managing customer work environment standards and product performance evaluations. At Techne Measurement, we recognize our obligation to provide our customers with the best products and have established a quality management system based on ISO 9001. ISO 9001 is an international standard for management systems aimed at providing consistent products and services and improving customer satisfaction. Additionally, we are the first in Japan to be registered as a JCSS calibration provider in low dew point ranges from -10°C to -70°C. JCSS is a system where NITE (National Institute of Technology and Evaluation), on behalf of the Minister of Economy, Trade and Industry, registers calibration organizations based on the Measurement Law, established to ensure the reliability of high-precision measurements and quality management. Only organizations recognized through an examination based on the Measurement Law (including skill tests and document/field audits) as meeting the criteria for calibration capability, quality systems, and uncertainty estimation methods can be registered as JCSS calibration providers. For more details on quality management, please visit the URL below.

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A system to "not produce," "not create," and "not allow" defects.

A system to "not produce," "not create," and "not allow" defects.

Quality management is honest management.

Japanese companies are experiencing a surge in quality complaints. We need to return to the fundamentals of manufacturing and propose a system that prevents defects in the production quality of mass-produced goods, along with tips and procedures for achieving this.

  • Technical and Reference Books

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Quality control

Quality control

Achieving the highest level of quality precision with abundant inspection equipment! Improved inspection accuracy with original inspection plates.

We would like to introduce our quality management. We have obtained the quality management system ISO 9001 and the environmental management system ISO 14001. In addition, to achieve our quality policy, we set quality objectives for the entire company and each department, review them, and ensure that they are communicated throughout the company. 【Inspection Equipment】 ■ Three-dimensional measuring machine ■ Universal projector ■ Roughness tester ■ Rockwell hardness tester ■ Roundness measuring instrument ■ Height gauge *For more details, please refer to the related links or feel free to contact us.

  • 品質管理2.jpg
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  • Processing Contract

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Kawashita Machinery's Strength: Quality Control

Kawashita Machinery's Strength: Quality Control

Introducing the strengths of Kawashita Kiko: Exceptional quality management cultivated in the automotive industry!

Our company is a subsidiary that sells tools manufactured by Kawashimo Kiko Co., Ltd. Kawashimo Kiko specializes in precision machining that requires strict accuracy and quality control, particularly for critical safety components in automotive parts, and implements thorough quality management from raw materials to finished products. We manage production history information using a barcode system, allowing us to track not only the shipping history of products but also the information on processing stages, enabling rapid responses to various situations. 【Features】 ■ Process Management: Utilizing process management techniques to continuously monitor production progress ■ Traceability Management: Managing production history information with a barcode system ■ Precision Measurement Room: Equipped with advanced inspection equipment such as three-dimensional measuring machines and shape measuring machines ■ Skill Map: Visualizing employee skill levels to implement appropriate training *For more details, please refer to the PDF materials or feel free to contact us.

  • Contract manufacturing

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About quality management

About quality management

We will implement thorough quality control to ensure that you can use our products with confidence.

In the product inspection area where quality control is conducted, high-power air purifiers are installed as equipment to prevent the intrusion of foreign substances and dust. The inspection room is carefully partitioned with clear curtains, and if the customer has specific standards, inspections can be conducted based on those criteria. ● Fabric Inspection In the clean room where product inspections are conducted, air purified by HEPA filters is continuously ventilated from above, allowing inspections to be carried out in an environment that removes over 99.99% of dirt particles measuring 0.3μm. Fabric inspection is the first stage of inspection, where containers before processing, such as printing and hot stamping, are examined. Various inspections are conducted for dirt, scratches, deformation, foreign matter contamination, and more. This is an important inspection that helps reduce the defect rate by avoiding unnecessary processing of defective fabrics. ● Finished Product Inspection Containers after decoration, such as printing and hot stamping, are inspected. This is the final inspection before shipping products to customers. Inspections are conducted for misalignment of decoration, peeling, color tone, dirt, and other factors. ● Various Inspections Suitability inspections of containers and their accessories are conducted using vacuum tests and torque meters. In-house operations include inserting seals into caps and adjusting the length of dispenser pipes.

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Quality control

Quality control

It is a thorough quality control system to consistently provide high-quality surface treatment chemicals.

Our production facility in Niigata is a domestic production site designed based on the environmental management system ISO 14001 and the quality management system ISO 9001. Under thorough quality control, we produce surface treatment chemicals delivered to a wide range of customers. Thanks to high-performance production equipment and the efforts of our staff, who aim for "customer first," "compliance with laws and regulations," "environmental conservation," and "energy conservation," reliable products are efficiently produced day and night. [Features] - High-performance production equipment - Designed based on environmental management system and quality management system principles - Producing surface treatment chemicals delivered to a wide range of customers through thorough quality control *For more details, please refer to the PDF document or feel free to contact us.

  • Other surface treatment equipment
  • Other electronic parts
  • Surface treatment contract service

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NAITO's Technical Expertise: Quality Control

NAITO's Technical Expertise: Quality Control

A consistent quality assurance system based on ISO 9001 from design to shipment.

In accordance with the ISO 9001 quality management system, we have established a consistent quality assurance system that covers everything from product design to manufacturing and shipping. We are capable of conducting various tests in-house, including dimensional measurements, performance evaluations, durability tests, and environmental tests using 3D measuring machines and various testing equipment. Additionally, we conduct prompt cause investigation and countermeasure planning in the event of defects. 【Features】 ■ 3D Measuring Device Capable of accurate measurements even for fine parts and complex shapes. ■ Image Dimension Measuring Device Equipped with a variety of measurement functions, including distance measurement, angle measurement, width measurement, edge width, and thickness measurement. ■ PC Torque Analyzer Instantly displays and analyzes dynamic signals of high-speed tightening torque from torque sensors as torque data on a computer screen in graph form. *For more details, please download the PDF or contact us.

  • Company：NAITO
  • Price：Other
  • Contract manufacturing

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Quality Control

Quality Control

During the shipping inspection, we also check for variations in color temperature and luminous flux specific to LEDs!

In our shipping inspection, we conduct checks not only on the appearance, structure, installation compatibility, and functionality of the products, but also confirm specific characteristics of LEDs such as color temperature and variations in luminous flux. Additionally, for parts sales to different industries, we perform inspections using 3D measuring instruments based on the required specifications, focusing on monitoring and managing dimensional variations to ensure that non-conforming products do not flow into the next process through thorough process and outsourcing verification. 【Features】 ■ Shipping Inspection ■ 3D Measuring Machine ■ Optical Characteristics Testing Equipment ■ Quality Weather Map *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing
  • Processing Contract

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What is DX (Digital Transformation) in Quality Management? Introducing challenges, promotion methods, and specific examples of utilization.

What is DX (Digital Transformation) in Quality Management? Introducing challenges, promotion methods, and specific examples of utilization.

We will provide practical insights to successfully lead your company's quality management digital transformation!

Quality management is a crucial factor that influences customer satisfaction and corporate reliability. If quality management is not properly implemented, it can lead to consumer health issues and accidents, as well as significant financial losses for companies, such as compensation payments and recall costs, along with a decline in brand image. However, traditional quality management methods are becoming increasingly difficult to adapt to rapidly changing market demands and the complexity of products. This is where quality management DX (Digital Transformation) is gaining attention. Quality management DX refers to initiatives that fundamentally transform the quality management process by leveraging advanced technologies such as AI, IoT, and big data analysis to enhance efficiency and sophistication. This article will explain the overview and necessity of quality management DX, as well as introduce trends in DX implementation based on specific case studies. *For detailed content of the article, please refer to the link below.*

  • Internal Control and Operational Management

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What is Quality Control (QC)?

What is Quality Control (QC)?

We will also introduce the differences from quality assurance and seven representative methods and concepts that you should remember.

Quality control refers to the activities aimed at producing products and services that satisfy consumers, such as inspecting raw materials and components, verifying manufacturing processes, and implementing pre- and post-measures for finished products. This article summarizes the overview of quality control, the differences from the similar term "quality assurance," three essential management methods for quality control, and specific concepts and techniques that should be considered in business, presented in an easy-to-understand manner. Quality control (QC) is the process of inspecting raw materials and components, verifying manufacturing processes, and implementing pre- and post-measures for finished products to create products and services that satisfy and meet the demands of consumers (buyers). *For more detailed content of the article, you can view it through the link below.

  • Internal Control and Operational Management

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Quality Management Regarding Clean Rooms

Quality Management Regarding Clean Rooms

Thorough quality control system! Containers for cosmetics and pharmaceuticals require stable quality.

We would like to introduce our "clean room" in quality management. An air shower is installed at the entrance of the workspace, and a positive pressure system is operated inside the workspace to prevent the entry of dust and other contaminants from the outside. In addition to establishing a system for quality, we aim to ensure that all employees recognize your requirements and provide products that meet your satisfaction. [Features] - Air shower installed at the entrance of the workspace - Positive pressure system operated inside the workspace to prevent the entry of dust and other contaminants from the outside *For more details, please refer to the PDF document or feel free to contact us.

  • Other quality control and hygiene measures
  • Clean Room

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Tokai Capsule Co., Ltd. Quality Control

Tokai Capsule Co., Ltd. Quality Control

Advanced analytical instruments rigorously check quality! Conducting microbiological tests and elution tests, among others.

We would like to introduce the quality control conducted at Tokai Capsule Co., Ltd. We perform quantitative tests to measure the composition and content of raw materials and products, as well as mass deviation tests to estimate the uniformity of the active ingredient content through mass measurement of the products. Additionally, we conduct various tests, including the organic carbon test, which measures the amount of carbon constituting organic matter present in the sample. 【List of Tests】 ■ Quantitative Tests ■ Mass Deviation Tests ■ Organic Carbon Tests ■ Microbial Tests ■ Disintegration Tests ■ Dissolution Tests *For more details, please download the PDF or feel free to contact us.

  • Contract manufacturing
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Mitoyo Seiko Co., Ltd. Quality Control

Mitoyo Seiko Co., Ltd. Quality Control

Thoroughly implementing an audit system that includes both internal and supplier audits! We are striving for prompt corrections and improvements all the way to the final processing destination.

Our company, based on the management philosophy of "providing products and services that satisfy our customers," is committed to delivering reliable quality. Miyoto Seiko's products are utilized in a wide range of fields, including automotive, office automation, electronics, and medical applications. As the scope of applications expands, the demands for product quality and reliability are also becoming more sophisticated. To meet these customer demands, our company is actively engaged in quality improvement activities. 【Quality Assurance Activities】 - We are working to prevent quality issues by horizontally deploying the information we have cultivated through our diverse range of products. - We develop detailed quality management plans to achieve high quality while meeting delivery deadlines. - We sincerely listen to our customers' voices, continuously seek improvements without being satisfied with the current state, and strive to build trust. - Skilled technicians conduct checks on product quality using a wealth of measuring instruments. *For more details, please download the PDF or feel free to contact us.

  • Contract manufacturing

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Quality Control

Quality Control

We continue to challenge ourselves to create high-quality products and explore new fields!

At Ariake Giken Co., Ltd., we build trust with our customers through thorough quality management. The needs of the times are diversifying, from the transition from electrical insulation materials to engineering plastics, and the necessity of metal processing. To respond to these needs, we believe it is essential to enhance our hardware and refine our technical skills, as well as to cultivate personnel with a creative vision. In our company, aiming for further leaps forward, we continue to challenge ourselves in creating high-quality products and exploring new fields, with a focus on "creating an environment" and "developing people." *For more details, please refer to the PDF document or feel free to contact us.*

  • Processing Contract

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Quality Control

Quality Control

Zero external leakage! Establishing an independent inspection department and achieving high quality precision through abundant inspection equipment.

We would like to introduce the "Quality Control" of Nisshin Co., Ltd. We have obtained international certifications for our quality management system "ISO9001" and environmental management system "ISO14001." By establishing an independent inspection department and utilizing a wealth of inspection equipment, we achieve high quality precision with zero external leakage. We strive for customer satisfaction. 【List of Inspection Equipment】 ■ Three-dimensional measuring machine "RVF800A-C1" from Tokyo Seimitsu (1 unit) ■ Universal projector "PJ321F" from Mitutoyo (1 unit) ■ Roughness tester "Surf Test 501" from Mitutoyo (1 unit) ■ Rockwell hardness tester "DXT3" from Matsuzawa Seiki (1 unit) ■ Roundness measuring instrument "Roncom 5A" from Tokyo Seimitsu (1 unit) ■ Micro height gauge "600 2/D, Standard 600" from Tesa Precision (1 unit each) ■ Various other measuring instruments (numerous) *For more details, please refer to the PDF document or feel free to contact us.

  • 3D measuring device
  • Other measurement, recording and measuring instruments
  • Other services

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