Introduction
Quality control in SMD lines has always been critical to product success. Using high-precision, high-efficiency AOI machine and X-ray inspection equipment to accurately identify soldering defects and component errors is the core defense for ensuring product yield. This article will provide an in-depth analysis of the top five inspection equipment suppliers in China and introduce NeoDen’s innovative capabilities.
I. Top 5 SMT Inspection Equipment Suppliers in China
1. NeoDen
A globally-oriented SMD line manufacturer renowned for its cost-effectiveness and innovative technology, with a comprehensive product lineup covering X-ray and AOI solutions.
Website：https://www.neodentech.com
2. Aleader
Beginning independent R&D of AOI equipment in 2003, Aleader boasts deep technical expertise and is one of the earliest domestic brands to enter this field.
Website: https://aleader-europe.com/
3. ZHX-Tech
Known for its high cost-effectiveness, it primarily serves domestic small and medium-sized electronics manufacturing companies and has a high market profile.
Website: https://zhx-tech.com.cn/en/
4. Sinictek
Sinictek Technology specializes in the R&D, production, sales, and value-added services of machine vision inspection equipment.
Website: https://www.sinictek.com/en/
5. Shenzhen Hongyulong Electronics
Specializes in used and refurbished AOI/SPI equipment services, covering multiple brands and product categories, with significant price advantages and a wide service scope.
II. About NeoDen
Since its establishment in 2010, NeoDen Technology has leveraged its strong R&D capabilities (three R&D departments with over 25 engineers) and a 27,000-square-meter modern factory to export products to over 130 countries worldwide, serve over 10,000 customers, and establish a network of over 40 global distributors. Its success stems from:
- Robust certifications: CE-certified with over 70 patents, ensuring internationally recognized quality.
- Exceptional service: Over 30 technical support engineers, with a commitment to respond within 8 hours and provide solutions within 24 hours.
- Comprehensive ecosystem: Offering one-stop SMT production line solutions from SMT machines (YY1, K1830, etc.), reflow ovens (IN series), to inspection equipment (AOI/X-ray).
III. NeoDen Inspection Equipment: In-Depth Analysis of Technical Highlights
1. NeoDen 56X X-Ray Inspection Equipment
- Compact equipment, easy to install and operate.
- Applicable for inspecting chips, LEDs, BGA/CSR wafers, SOP/QFN, SMT and PTU packaging, sensors, connectors, and precision castings.
- High-resolution design to obtain the best image in a very short time.
- Infrared automatic navigation and positioning function can quickly select the shooting location.
- CNC inspection mode that can quickly and automatically inspect multi-point arrays.
- Inclined multi-angle inspection makes it easier to inspect sample defects.
- Simple software operation, low operating costs.
- Long lifespan.
2. NeoDen S1 SMT SPI machine
2.1 Software system
Operating system: Windows 7 Ultimate 64-bit
- Identification system
Feature: 3D raster camera (dual is optional)
Operating interface: Graphical programming, easy to operate, Chinese and English system switchover
Interface: 2D and 3D true-color images
MARK: Can select 2 common mark points
- Program: Supports Gerber, CAD input, offline, and manual programming
- SPC
Offline SPC: Supported
SPC Report: Available at any time
Control Graphics: Volume, area, height, offset
Export Content: Excel, image (JPG, BMP)
2.2 Control system
- Host: Industrial control PC, Intel 6-core CPU, 16GB DDR, 1TB
- Displayer: 22-inch LCD widescreen display
3. NeoDen ND880 SMT AOI machine
- Test mode: Optimized detection technology covering the entire circuit board. Supports jointed boards and multiple marks, with Bad Mark function.
- Detection type: Component defects such as solder paste presence, offset, insufficient solder, excess solder, open circuit, and contamination;
mounting defects such as missing parts, offset, skewing, tombstone, side mounting, turnover, wrong parts, damage, and reversal;
solder joint defects such as excess solder, insufficient solder, pseudo soldering, and solder bridge, etc.;
and PCB defects such as copper foil contamination, black pad, delamination, missing copper foil, and oxidation, etc.
- Image recognition: Automatically sets parameters (e.g., shift, polarity, short circuit, etc.) according to different inspection requirements.
- SPC statistical function: Record test data throughout the process and perform statistics and analysis; production status and quality analysis can be viewed in any area.
- Camera and lighting system: Full-color high-speed digital CCD camera with lens resolutions of 10, 15, 18, and 20 μm, and a three-channel RGB light source.
- Driving system: AC servomotor system with precision-ground ball screw.
IV. Why choose NeoDen?
- Precision positioning and innovation-driven: Focusing on desktop and small-to-medium-speed equipment to lower the barrier to advanced inspection technology, with continuous R&D investment (over 70 patents).
- Technical integration capability: Deeply integrating advanced X-ray imaging technology, 3D vision algorithms, high-speed motion control, and intelligent SPC software.
- Global service network: Over 40 agents and localized technical support teams ensure global customers have no concerns.
- One-stop solution: As one of the few domestic manufacturers capable of providing a complete SMT production line, we offer superior system compatibility and data interoperability.
Conclusion
As SMT manufacturing moves toward intelligent and high-density production, selecting a detection equipment supplier with leading technology, stability, reliability, and comprehensive service is critical.
What are the most common detection challenges you face on your production line? Are they hidden solder joints in BGAs, fluctuations in solder paste thickness, or minor component misalignments? We invite you to contact us to discuss how advanced detection technology can help you overcome these challenges!
Post time: Jul-24-2025