Top 10 Aoi Factory in China 2025

Introduction to AOI

Automated Optical Inspection (AOI) is a non - contact inspection technology that uses optical methods to detect various defects in products, such as printed circuit boards (PCBs), semiconductor chips, and electronic components. It plays a crucial role in the modern manufacturing industry, especially in the electronics manufacturing sector. AOI systems can quickly and accurately identify defects like missing components, misaligned parts, soldering defects, and scratches, which helps to improve product quality, reduce production costs, and increase production efficiency. In recent years, with the rapid development of the electronics industry in China, the demand for AOI technology has been increasing, and many domestic AOI factories have emerged.

Top 10 AOI Factories in China

1. Shenzhen Eton Automation Equipment Co., Ltd

Shenzhen Eton Automation Equipment Co., Ltd is a high - tech enterprise that specializes in the research, development, production, and sales of SMT (Surface Mount Technology) automation equipment, including AOI systems. The company is committed to providing customers with high - quality, high - performance automated inspection solutions.

Company Introduction

The company was established with a vision to meet the growing demand for precise and efficient inspection in the electronics manufacturing industry. It has a team of professional R & D engineers who are constantly working on improving the performance and functionality of their AOI products. The company's products are widely used in various electronics manufacturing fields, such as consumer electronics, automotive electronics, and industrial control electronics.

AOI Features

• High - speed Inspection: The AOI systems of Shenzhen Eton can perform inspections at a very high speed, which can significantly improve the production efficiency of the manufacturing line. For example, it can inspect hundreds of PCBs per hour, depending on the complexity of the board.
• High - Precision Detection: It is equipped with high - resolution cameras and advanced image processing algorithms, which can detect very small defects, such as micro - cracks on solder joints, with high precision.
• Flexible Configuration: The AOI systems can be configured according to the specific needs of customers. Different lighting sources, camera types, and inspection algorithms can be selected to meet the inspection requirements of different products.

Company Advantages

• Strong R & D Capability: The company invests a large amount of resources in research and development every year. This allows it to keep up with the latest technological trends and continuously introduce new and improved AOI products to the market.
• Good After - sales Service: Shenzhen Eton provides comprehensive after - sales service, including installation, debugging, training, and maintenance. Their professional after - sales team can quickly respond to customers' problems and provide solutions in a timely manner.
• Cost - effective Products: Compared with some international brands, the products of Shenzhen Eton have a more competitive price. This makes it an attractive choice for many domestic and international customers.

Website: https://www.etonautosmtmachine.com/

2. Shenzhen Vi Technology Co., Ltd

Company Introduction

Shenzhen Vi Technology Co., Ltd is a well - known enterprise in the field of AOI in China. It has been focusing on the development and production of AOI equipment for many years. The company has a complete R & D, production, and sales system. It has established long - term cooperative relationships with many well - known electronics manufacturers at home and abroad.

The company's R & D department is composed of a group of experienced engineers who are proficient in optics, electronics, and software. They are constantly exploring new technologies and methods to improve the performance of AOI equipment. In terms of production, the company has advanced production equipment and strict quality control systems to ensure the stability and reliability of its products.

AOI Features

• Multi - angle Inspection: The AOI systems of Shenzhen Vi Technology can perform inspections from multiple angles. This is very important for detecting defects on complex - shaped products or components. For example, it can detect the side - wall defects of components on PCBs by using multiple cameras arranged at different angles.
• Intelligent Defect Classification: The equipment is equipped with intelligent defect classification algorithms. It can automatically classify different types of defects, such as open - circuit defects, short - circuit defects, and component misplacement, which helps operators to quickly understand the nature of the problems and take corresponding measures.
• Online and Off - line Inspection Modes: The AOI systems support both online and off - line inspection modes. In the online mode, it can be integrated into the production line to perform real - time inspection, while in the off - line mode, it can be used for batch inspection of products.

Company Advantages

• Rich Industry Experience: With many years of experience in the AOI field, the company has a deep understanding of the industry's needs and trends. This allows it to develop more targeted and practical products.
• Wide Product Range: In addition to AOI equipment for PCBs, the company also offers AOI systems for other products, such as semiconductor wafers and LED panels. This provides customers with a one - stop shopping experience.
• Good Reputation in the Market: The company has won a good reputation in the market for its high - quality products and excellent service. Many customers have given positive feedback on its products, which further enhances its brand image.

3. Shenzhen Juki Automation Equipment Co., Ltd

Company Introduction

Shenzhen Juki Automation Equipment Co., Ltd is a subsidiary of the well - known Juki Corporation. It combines the advanced technology and management experience of the parent company and is committed to the development and production of AOI and other automation equipment in China. The company has a modern production base and a professional technical team.

The company attaches great importance to product quality and technological innovation. It continuously invests in research and development to improve the performance and reliability of its AOI products. It also focuses on providing high - quality service to customers, aiming to help them improve production efficiency and product quality.

AOI Features

• High - Quality Imaging: The AOI systems of Shenzhen Juki use high - quality cameras and lighting sources, which can obtain clear and accurate images of the inspected objects. This is the basis for accurate defect detection. For example, it can capture fine details of solder joints, even under complex lighting conditions.
• Fast Programming: The equipment has a user - friendly programming interface, which allows operators to quickly program the inspection parameters. This reduces the programming time and improves the flexibility of production.
• Remote Monitoring and Diagnosis: The AOI systems support remote monitoring and diagnosis functions. Through the Internet, the company's technical personnel can remotely monitor the operation status of the equipment, diagnose problems, and provide solutions in a timely manner.

Company Advantages

• International Brand Advantage: As a subsidiary of Juki Corporation, it has the advantage of an international brand. The brand is well - recognized in the global market, which gives customers more confidence in its products.
• Advanced Technology Transfer: The company can transfer the advanced technology of the parent company to China. This enables it to develop and produce AOI products with high - end technology, keeping up with the international level.
• Comprehensive Training and Support: The company provides comprehensive training for customers' operators, enabling them to master the operation and maintenance skills of the AOI equipment quickly. At the same time, it also provides continuous technical support to ensure the normal operation of the equipment.

4. Shenzhen Mycronic Technology Co., Ltd

Company Introduction

Shenzhen Mycronic Technology Co., Ltd is a high - tech enterprise focusing on the field of electronics manufacturing automation. It has a strong R & D and production capacity in AOI technology. The company has a modern R & D center and production workshop, and it adheres to the concept of "innovation, quality, and service".

The R & D team of the company is constantly exploring new technologies, such as artificial intelligence and machine learning, and applying them to AOI systems. In production, the company strictly controls the quality of each process to ensure that the products meet high - quality standards.

AOI Features

• AI - based Defect Detection: The AOI systems of Shenzhen Mycronic use artificial intelligence algorithms for defect detection. These algorithms can learn and adapt to different types of defects, improving the accuracy and efficiency of defect detection. For example, it can automatically identify new types of defects based on historical defect data.
• High - Throughput Inspection: The equipment is designed for high - throughput production environments. It can handle a large number of products in a short time without sacrificing the inspection accuracy.
• Customizable Inspection Solutions: The company can provide customized AOI inspection solutions according to the specific needs of customers. Whether it is a small - scale production line or a large - scale mass - production line, it can provide appropriate inspection equipment.

Company Advantages

• Cutting - edge Technology Application: By applying the latest AI and machine - learning technologies to AOI systems, the company can provide more intelligent and efficient inspection solutions, giving it a competitive edge in the market.
• Customer - oriented Service: The company focuses on understanding the needs of customers and provides personalized service. It can quickly respond to customers' special requirements and develop corresponding solutions.
• Continuous Innovation Ability: The company's R & D team is constantly innovating, and it regularly launches new products and technologies. This allows it to stay ahead in the highly competitive AOI market.

5. Shenzhen Orbotech Technology Co., Ltd

Company Introduction

Shenzhen Orbotech Technology Co., Ltd is a well - established company in the field of AOI. It has a long - standing reputation for providing high - quality inspection equipment. The company has a large - scale production base and a professional R & D team.

The company has a global R & D network, which enables it to access the latest technological resources and information. It also has a strict quality management system, which ensures that its products meet the highest international standards.

AOI Features

• Ultra - high - Resolution Inspection: The AOI systems of Shenzhen Orbotech can achieve ultra - high - resolution inspection, which is capable of detecting extremely small defects. For example, it can detect sub - micron - level scratches on semiconductor wafers.
• 3D Inspection Capability: In addition to 2D inspection, the equipment also has 3D inspection capabilities. This is very useful for detecting the height and shape of components, which is important for ensuring the proper assembly of products.
• Integrated Inspection Solutions: The company provides integrated inspection solutions that can be integrated with other production equipment in the manufacturing line. This helps to improve the overall production efficiency and quality control.

Company Advantages

• Global Technology Resources: With a global R & D network, the company can make full use of international technological resources, which enables it to develop more advanced AOI products.
• High - Quality Products: The company's products are known for their high - quality and reliability. They have passed various international quality certifications, which gives customers more confidence in using them.
• Strong After - sales Support: The company has a professional after - sales service team around the world. It can provide timely and effective after - sales support, including maintenance, repair, and software upgrades.

6. Shenzhen Koh Young Technology Co., Ltd

Company Introduction

Shenzhen Koh Young Technology Co., Ltd is a leading provider of 3D AOI solutions in China. The company has been at the forefront of 3D AOI technology development. It has a state - of the - art R & D center and a modern production facility.

The company's R & D efforts are mainly focused on improving the accuracy and speed of 3D AOI inspection. It also pays attention to the user experience of the equipment, making the operation of the AOI systems more convenient and intuitive.

AOI Features

• Accurate 3D Measurement: The 3D AOI systems of Shenzhen Koh Young can accurately measure the height, volume, and shape of components and solder joints. This provides more detailed information for defect detection and quality control. For example, it can accurately measure the height of a BGA (Ball Grid Array) component to ensure its proper installation.
• Fast 3D Imaging: The equipment can obtain 3D images of the inspected objects at a very fast speed. This is crucial for high - speed production lines, as it can perform real - time inspection without causing production bottlenecks.
• Defect Simulation and Analysis: The AOI systems are equipped with defect simulation and analysis functions. It can simulate different types of defects and analyze their causes, which helps operators to take preventive measures.

Company Advantages

• Leading 3D AOI Technology: The company is a pioneer in 3D AOI technology. Its products have a high level of accuracy and performance, which gives it a significant advantage in the market.
• Continuous Technological Innovation: The company continuously invests in research and development to improve its 3D AOI technology. It regularly launches new products and features to meet the changing needs of the market.
• Good Customer Relationship Management: The company attaches great importance to customer relationship management. It maintains close communication with customers, listens to their feedback, and continuously improves its products and services.

7. Shenzhen Mirtec Technology Co., Ltd

Company Introduction

Shenzhen Mirtec Technology Co., Ltd is a well - known AOI equipment manufacturer. It has a wide range of AOI products that are suitable for different applications in the electronics manufacturing industry. The company has a professional R & D, production, and sales team.

The company's R & D team focuses on developing new inspection algorithms and improving the performance of existing products. In production, it uses advanced manufacturing processes to ensure the quality and stability of the equipment.

AOI Features

• Multi - lighting Inspection: The AOI systems of Shenzhen Mirtec use multi - lighting technology. Different lighting sources can be used to highlight different types of defects. For example, side - lighting can be used to detect scratches on the surface of components, while top - lighting can be used to detect solder joint defects.
• High - Sensitivity Detection: The equipment has high - sensitivity sensors, which can detect very weak signals. This enables it to detect small and hidden defects that are difficult to find with other inspection methods.
• Easy - to - use Interface: The AOI systems have an easy - to - use interface, which makes it convenient for operators to operate and manage the equipment. Even novice operators can quickly get started.

Company Advantages

• Diversified Product Portfolio: The company offers a wide variety of AOI products, which can meet the different needs of customers in different industries. This gives customers more choices when selecting inspection equipment.
• Cost - effective Solutions: The company provides cost - effective AOI solutions. Its products offer good performance at a reasonable price, which is attractive to many small and medium - sized enterprises.
• Localized Service: The company has a local service team in China, which can provide timely and effective service to domestic customers. This helps to reduce the service response time and improve customer satisfaction.

8. Shenzhen Nordson ASYMTEK Co., Ltd

Company Introduction

Shenzhen Nordson ASYMTEK Co., Ltd is a global leader in precision fluid dispensing and AOI technology. The company has a long - history of innovation and has made significant contributions to the electronics manufacturing industry. It has a world - class R & D center and a global production network.

The company combines its expertise in fluid dispensing and AOI technology to provide integrated solutions for electronics manufacturing. Its R & D team is constantly exploring new applications and improving the performance of its products.

AOI Features

• Integrated Fluid Dispensing and Inspection: The AOI systems of Shenzhen Nordson ASYMTEK can be integrated with fluid dispensing equipment. This allows for in - line inspection after fluid dispensing, ensuring the quality of the dispensing process. For example, it can detect whether the amount of glue dispensed on a PCB is correct.
• High - Precision Alignment: The equipment has high - precision alignment capabilities. It can accurately align the inspected object with the inspection system, which is crucial for accurate defect detection.
• Real - time Data Analysis: The AOI systems can perform real - time data analysis. It can collect and analyze inspection data in real - time, providing operators with valuable information for process control and quality improvement.

Company Advantages

• Integrated Solution Provider: By providing integrated solutions for fluid dispensing and AOI, the company can help customers simplify the production process and improve overall production efficiency.
• Global R & D and Production Network: The company's global R & D and production network allows it to access the latest technological resources and produce high - quality products on a large scale.
• Strong Technical Support: The company has a team of highly skilled technical experts who can provide strong technical support to customers. Whether it is installation, debugging, or troubleshooting, they can offer professional solutions.

9. Shenzhen Hanwha Precision Machinery Co., Ltd

Company Introduction

Shenzhen Hanwha Precision Machinery Co., Ltd is a subsidiary of Hanwha Group, a large - scale multinational corporation. The company focuses on the development and production of AOI and other automation equipment for the electronics manufacturing industry. It has a modern production base and a professional R & D team.

The company adheres to the principle of "quality first, innovation - driven". It continuously invests in research and development to improve the performance and quality of its products. It also emphasizes environmental protection and sustainable development in its production process.

AOI Features

• Robust Inspection Performance: The AOI systems of Shenzhen Hanwha Precision Machinery have robust inspection performance. They can work stably in different production environments, such as high - temperature and high - humidity environments.
• Advanced Image Processing Technology: The equipment uses advanced image processing technology, which can enhance the clarity of images and improve the accuracy of defect detection. For example, it can use image filtering and enhancement algorithms to reduce noise and highlight defects.
• Modular Design: The AOI systems have a modular design, which makes it easy to upgrade and maintain the equipment. Different modules can be added or replaced according to the changing needs of customers.

Company Advantages

• Group - level Support: As a subsidiary of Hanwha Group, the company can get strong support from the group in terms of technology, capital, and resources. This enables it to develop and produce high - end AOI products.
• Quality - oriented Production: The company has a strict quality control system. It ensures that every product meets high - quality standards through multiple quality inspections in the production process.
• Sustainable Development Concept: The company's emphasis on environmental protection and sustainable development in production is in line with the current global trend. This not only helps to protect the environment but also enhances the company's social image.

10. Shenzhen Viscom Technology Co., Ltd

Company Introduction

Shenzhen Viscom Technology Co., Ltd is a professional AOI equipment manufacturer. It has been dedicated to the development and production of AOI systems for many years. The company has a team of experienced engineers and technicians who are committed to providing high - quality products and services.

The company's R & D department is constantly exploring new inspection methods and technologies. It also pays attention to the market demand and customer feedback, and continuously improves its products to meet the needs of the market.

AOI Features

• Multi - sensor Inspection: The AOI systems of Shenzhen Viscom use multi - sensor technology. Different types of sensors, such as cameras, lasers, and infrared sensors, can be combined to perform comprehensive inspection. This can improve the detection rate of various defects.
• Adaptive Inspection Algorithm: The equipment is equipped with an adaptive inspection algorithm. It can automatically adjust the inspection parameters according to the characteristics of the inspected object, such as the size, shape, and material.
• Remote Data Sharing and Management: The AOI systems support remote data sharing and management. Through the Internet, operators can access inspection data from different locations, which is convenient for production management and quality control.

Company Advantages

• Rich Technical Experience: With many years of experience in AOI technology, the company has accumulated rich technical experience. This enables it to develop more reliable and practical AOI products.
• Responsive Customer Service: The company provides responsive customer service. It can quickly respond to customers' inquiries and problems, and provide timely solutions.
• Continuous Product Improvement: Based on market demand and customer feedback, the company continuously improves its products. This ensures that its products can keep up with the development of the market and meet the changing needs of customers.

Conclusion

The above - mentioned top 10 AOI factories in China in 2025 represent the high - end level of China's AOI technology. Each company has its own unique features and advantages in AOI product development, production, and service. Shenzhen Eton Automation Equipment Co., Ltd provides cost - effective and high - performance AOI solutions with strong R & D and after - sales service capabilities. Other companies, such as Shenzhen Vi Technology, Shenzhen Juki Automation Equipment, and others, also show excellent performance in different aspects, such as technology innovation, product quality, and market competitiveness.

With the continuous development of the electronics manufacturing industry, the demand for AOI technology will continue to grow. These companies are expected to continuously innovate and improve their products and services to meet the more and more stringent requirements of the market. At the same time, they will also promote the development of the entire AOI industry in China, making China play a more important role in the global AOI market.