
FENGYU Premium Rack End Manufacturer Delivering Precision for Global Automotive Aftermarket


Fully Automatic Counting and Packaging Solution for Plastic Parts
In the plastic product manufacturing industry, the outbound, sales, and procurement of plastic parts are typically measured by quantity. Traditional counting methods are not only inefficient and error-prone but also lead to significant costs and management losses. Achieving fast, accurate, and automated counting and packaging has become a key factor for many enterprises to enhance their competitiveness.

Customer Pain Points
A large plastic products manufacturer needed to handle the outbound packaging of a vast quantity of plastic parts daily. Previously relying on manual counting, the process was not only slow but also, due to the small size and large volume of the items, highly susceptible to miscounts and omissions. This led to customer complaints and financial losses. Furthermore, the monotonous counting work faced challenges in hiring and high labor costs.
Solution
We tailored a complete fully automated vision-based counting and packaging machine for them. This solution integrates four core advantages
Automatic Feeding: Utilizes material elevators to automatically and steadily transport piles of plastic parts to the counting stage, completely freeing hands from the task, eliminating secondary contamination and efficiency bottlenecks caused by manual handling.
Accurate Counting: Employs advanced vision technology to quickly scan plastic parts, combined with software analysis functions to achieve high-precision counting.
Automatic Bag Making & Packaging: Accurately counted plastic parts fall into the packaging machine, which automatically performs a series of actions including bag making, filling, and sealing. The packaging is secure and aesthetically pleasing.
Clear Marking: Integrates a thermal transfer printer to print clear and stable label information on the packaging bags in real-time. The label information is traceable, complying with quality management standards.

Customer Benefits
Accuracy: Improved counting precision, avoiding economic losses and customer disputes.
Soaring Efficiency: Single-line production capacity increased several times, easily handling large-volume order demands.
Cost Reduction: Significant savings on traditional counting and packaging costs.
Standardized Management: Uniform packaging and clear markings enhance the company's professional image and facilitate warehouse and logistics management.
Data Traceability: Label information provides a solid foundation for product quality tracing.
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Precision Counting for the Aerospace Industry
In the aerospace sector, which represents the pinnacle of human technological achievement, every tiny component, every meticulous process, and every precise assembly directly impacts the safety and performance of national critical assets. Rapid, accurate, and non-contact counting of large quantities of small, structurally complex standard parts is a crucial link in ensuring production efficiency and inventory management accuracy. Traditional counting methods are not only inefficient and prone to fatigue but also susceptible to human error, becoming an "invisible bottleneck" in modern smart manufacturing processes.

The One Electronics, an innovator deeply rooted in the field of automatic counting, provides the aerospace industry with a more efficient solution through advanced CCD line-scan camera technology and intelligent vision algorithms, elevating this tedious process to a higher level of automation and intelligence.

The aerospace manufacturing industry imposes extremely stringent demands on counting tasks
High Precision and Zero Error: From small washers, rivets, and screws to larger seals and bearing balls, any counting error or omission can lead to inventory chaos, production halts, or even potential safety hazards in subsequent assemblies.
High Efficiency and Fast Pace: Rapid material flow on production lines and frequent warehouse transactions require counting equipment to process thousands of parts in a short time, without becoming a bottleneck in the logistics chain.
Adaptability to Complexity and Diversity: Parts vary in material (metal, composite, rubber, etc.), color, and size, and may even present challenging scenarios such as reflectivity or transparency. Counting equipment must demonstrate strong adaptability and stability.
Data Traceability and Integration: Counting results must seamlessly integrate with enterprise ERP, MES, and other information management systems to enable automatic recording, traceability, and analysis of data, building a transparent digital warehouse.
Addressing these challenges, The One Electronics’ automatic counting equipment demonstrates outstanding performance through innovative technological approaches
Line-Scanning, Comprehensive Capture: Unlike area-scan cameras, the CCD line-scan camera acts like a tireless "super inspector." As parts pass through vibratory plate or conveyor belts, the camera performs high-speed continuous scanning, generating ultra-high-resolution images. This ensures every part, regardless of its position, is captured clearly, guaranteeing counting accuracy.
Intelligent Algorithms, Meticulous Insight: The core machine vision algorithm serves as the "brain" of the system. Trained on vast datasets, the algorithm accurately identifies the shape, contour, size, and other features of different parts, intellig distinguishing target parts from the background, impurities, or even parts of different specifications.
Ultra-Fast Response, Empowering Production Lines: Leveraging high-speed hardware acquisition and efficient algorithm processing, the system completes counting within milliseconds. Counting tens of thousands of balls or rivets in a box takes mere moments, boosting efficiency dozens of times compared to traditional methods. This significantly accelerates material turnover, meeting the high-precision and high-efficiency demands of aerospace manufacturing.
Data nterconnectivity, Smart Management: The equipment provides standard communication interfaces for easy integration into existing automated production lines and information management networks. Counting results are uploaded in real time, automatically generating documents and reports. This eliminates manual entry errors, enables real-time inventory updates and traceability, and provides a solid data foundation for lean management and decision-making.
The One Electronics’ CCD vision automatic counting equipment is widely used in multiple critical stages of the aerospace industry
Incoming Inspection: Rapid, batch counting of supplier deliveries to ensure quantities match orders exactly, safeguarding quality from the start.
Workshop Dispensing: Precisely and efficiently dispense the required number of standard parts to assembly lines based on work orders, preventing over-issuance, under-issuance, or misissuance.
Inventory Counting: Automate regular warehouse stocktaking, significantly shortening counting cycles, improving inventory accuracy, and reducing staff workload.
Assembly Process Control: At automated assembly stations, perform secondary counting confirmation of grasped parts to ensure accurate placement quantities, achieving closed-loop control.
When it comes to medium-sized excavators, two of the most popular models are the Caterpillar CAT 320D and the Komatsu PC200-8. Both machines are trusted worldwide for earthmoving, roadwork, and construction projects. But how do they compare, and which one is the better choice for your business? Let’s break it down.

CAT 320D is powered by a Cat C6.4 ACERT engine, delivering around 138 kW (185 hp). It offers strong digging force and smooth hydraulic control, making it highly efficient for heavy-duty work.
Komatsu PC200-8 comes with a Komatsu SAA6D107E-1 engine, producing about 110 kW (148 hp). While slightly lower in horsepower, it is known for reliability and fuel efficiency.
Verdict: CAT 320D provides more horsepower and stronger digging force, ideal for demanding operations. Komatsu 200-8 offers a balance of performance and efficiency, making it suitable for general construction work.
CAT 320D focuses on productivity, sometimes at the expense of higher fuel consumption. However, its advanced hydraulics help optimize energy use.
Komatsu PC200-8 features Komatsu’s fuel-saving technology, making it one of the more economical excavators in its class.
Verdict: If fuel cost is a major concern, Komatsu PC200-8 has the edge.
CAT 320D is well-regarded for operator comfort, with spacious cabins, ergonomic controls, and reduced vibration. Advanced monitoring systems improve machine management.
Komatsu PC200-8 also offers a comfortable cab with low noise levels and easy-to-use controls. It includes Komtrax, Komatsu’s GPS-based tracking system, for real-time monitoring.
Verdict: Both offer modern operator-friendly features, but Komatsu’s Komtrax system provides added fleet management benefits.
CAT 320D is famous for durability and long service intervals. Caterpillar’s global support network makes parts and service widely available.
Komatsu PC200-8 is also highly reliable, with strong undercarriage and robust hydraulics. Komatsu’s support is solid, but parts availability can vary depending on the region.
Verdict: Both machines are durable, but CAT’s global parts support gives it a slight advantage.
CAT 320D holds higher resale value in most markets due to strong demand and brand reputation.
Komatsu PC200-8 also retains good value but generally slightly lower than CAT.

Choose CAT 320D if you need maximum digging power, global support, and higher resale value. It’s ideal for heavy-duty contractors who prioritize productivity.
Choose Komatsu PC200-8 if you want fuel efficiency, lower operating costs, and reliable performance for medium workloads. It’s a great option for contractors looking to reduce expenses while maintaining solid performance.
Both excavators are excellent choices in the 20-ton class, and the best decision depends on your project requirements, budget, and long-term fleet strategy.
We recently received a heartfelt review from afar. Though we are separated by great distance, it does not hinder our sincere mutual well-wishes!

Firstly, its advanced hydraulic control system performs excellently, operating more smoothly and with greater precision than any comparable model we have tested. Even under complex working conditions, the equipment maintains stable efficiency, providing strong support for the smooth progress of our projects.
Secondly, the humanized cab design is truly commendable. The equipped air conditioning system offers operators a comfortable working environment in high-temperature conditions, which is crucial for our prolonged outdoor operations during the summer. The excellent working environment not only enhances productivity but also reflects your company's human-centric care for operators.
Our management ultimately decided to purchase your equipment in bulk precisely because they valued your company's professional and pragmatic work attitude as well as your commitment ,This batch of equipment will be used for our upcoming major infrastructure projects. We are confident that with its exceptional reliability, outstanding efficiency, and advanced features, it will become the backbone of our project construction.
We look forward to establishing a long-term strategic partnership with your company, working together to contribute to the thriving construction industry here. We also wish your company continued growth and success, and we anticipate achieving even greater accomplishments in our future cooperation!
When buying a used excavator, one of the most important factors to inspect is the engine condition. The engine is the heart of any excavator, and a poor-quality engine can lead to costly repairs, downtime, and low efficiency on site. Whether you are purchasing for a project in Africa, Asia, or the Middle East, knowing how to assess the excavator’s engine will help you make the right decision.
In this blog, we will guide you through the key steps to evaluate if an excavator engine is in good working order before buying.

A healthy engine should start smoothly without excessive cranking. Warning signs include:
Hard starting, especially in warm weather.
Excessive smoke at start-up.
Unusual knocking or rattling sounds.
Tip: Always request a cold start test. This shows how the excavator performs when the engine has been sitting idle for hours.
Exhaust smoke can reveal much about the condition of the engine:
Blue smoke → burning oil (possible worn piston rings or valve seals).
Black smoke → incomplete fuel combustion (possible injector or turbo issues).
White smoke → coolant leakage or head gasket problem.
Healthy engines should produce little to no smoke after warming up.
Engines in good condition should run smoothly. Be cautious of:
Knocking sounds → may indicate worn bearings or piston issues.
Tapping sounds → possible valve or injector problems.
Grinding noises → potential timing gear or accessory failure.
Check the engine oil color – dark black oil may indicate overdue service, while milky oil could mean coolant leakage.
Inspect hydraulic oil – low or dirty fluid can affect both the engine and overall excavator performance.
Regular maintenance history is a good sign of a well-kept machine.
Excavator engines are built for long life, but:
Over 10,000 hours may require major inspection.
Compare machine condition with hour meter reading – if it looks heavily worn but shows low hours, it may be tampered.
Ask the seller to operate the excavator under real working conditions:
Digging or lifting heavy loads.
Swinging the boom while tracking.
The engine should maintain steady power without stalling or producing excessive smoke.
A reliable service history is the best proof of maintenance.
Also, confirm the engine model – brands like Cummins, Isuzu, Mitsubishi, and Hyundai engines are known for durability and easy parts availability in African markets.
Inspecting an excavator engine is essential before purchase. By checking start-up performance, exhaust smoke, unusual noises, oil condition, operating power, and service history, you can avoid costly mistakes and ensure you are buying a reliable excavator for your construction project.
For buyers in Africa and worldwide, investing in the right machine with a strong engine means higher productivity and lower maintenance costs.
When a modern excavator effortlessly scoops 5 tons of earth, its steel arm channels not just raw power—but a million generations of human ingenuity in our ancient struggle with the land. Join us as we unveil the legendary ancestors that reshaped our planet's contours!

Chapter 1: Genesis – Muscles and Levers (4000 BC – 1700 AD)
1.1 The Original "Excavators" – Human Hands
Primitive Era: Clam shells as shovels, animal bones as picks
Egyptian Marvel: 100,000 workers hand-dug the Pyramids of Giza (moving 2.5-ton stones = 1.5 hours of work for a modern 20-ton excavator)
1.2 Dawn of Leverage Civilization
Warring States Period : Earliest mechanical digging apparatus
Archimedes' famous boast: Warship-moving experiments demonstrating lever principles
Chapter 2: Steam Age – Iron Behemoths in Smoke (1780-1912)
2.1 Game-Changing Milestone
1829 Patent: William Otis' steam-powered rail-mounted excavator
Efficiency Revolution: Daily output = 200 laborers (still required 6 operators)
2.2 Transcontinental Engineering Saga
Panama Canal Project (1881):
Note: 30,000 workers died from yellow fever – underscoring machinery's humanitarian value
Chapter 3: Internal Combustion Revolution – Awakening of Petroleum Bloodline (1914-1945)
3.1 War-Driven Evolution
WWI trench-digging demands → Birth of track-mounted gasoline excavators
Key breakthrough: Hydraulic pilot controls replace mechanical linkages (reducing operating force by 90%)
3.2 Explosion of Iron Species
Model Milestone Modern Descendant
1923 Bucyrus First 360° rotating excavator Caterpillar slewing base
1935 Lorain Hydraulic backhoe patent Komatsu PC backhoe design
Chapter 4: Hydraulic Era – Micron-Level Precision (1948-Present)
4.1 French Genius
1948 Poclain invents fully hydraulic excavator
300% increase in power transmission efficiency
Enabled compound movements (modern machines control 7 cylinders simultaneously)
4.2 The Renaissance Philosophy of Used Machinery
At Lianyan Machinery's Refurbishment Center, we rebirth legends:
1950s-era steel arms: Laser-calibrated to 0.05mm valve spool precision
1978 Caterpillar's first hydraulic unit: 40% fuel reduction via electronic upgrades
When planning a construction project, one of the biggest investments is equipment. Excavators are essential machines for digging, lifting, and earthmoving tasks. However, purchasing a brand-new machine can put a heavy strain on your budget. This is why many contractors and businesses choose to buy a used excavator for sale, as it offers both affordability and reliability.
Buying a used construction excavator is far more affordable than purchasing new. Instead of spending a large sum upfront, you can acquire a reliable second-hand excavator at a fraction of the cost. This means you can use your budget more wisely—whether that’s buying additional equipment, hiring more workers, or expanding your operations.
A second-hand excavator pays for itself much faster than a new one. Since your initial cost is lower, your projects start generating profits quickly. This is especially beneficial for small to mid-sized contractors who want to grow without heavy debt.
High-quality used excavators are built to last and can perform almost as efficiently as new machines. Many suppliers provide detailed inspection reports, maintenance records, and even limited warranties. When buying from a trusted seller, you can be confident that your excavator is reliable and ready to work.
The used excavator market offers a broad range of models and sizes, allowing you to find the right machine for your project needs. Unlike new equipment that may require long waiting times, used machinery is often ready for immediate delivery, saving valuable time on urgent projects.
Just like cars, new heavy machinery loses value quickly in the first few years. By choosing a used excavator, you avoid the steepest depreciation curve. This also means that if you decide to sell or upgrade in the future, your machine will retain more resale value.
Buying a used construction machine helps reduce environmental impact. Instead of manufacturing a brand-new excavator, reusing and extending the life of existing equipment conserves resources and reduces waste. This makes it not only a cost-effective choice but also a responsible one.

When buying a used excavator for sale, always inspect the machine’s engine, hydraulic system, undercarriage, and overall wear. Request a complete maintenance history and ensure there are no leaks, cracks, or unusual noises. A reliable supplier should provide a pre-shipment inspection report.
To guarantee quality, buy from reputable used excavator suppliers who offer warranties or after-sales service. Check working hours, ask for inspection videos, and confirm the machine has been regularly serviced. A well-maintained used construction excavator can work as efficiently as a new one.
Always use secure and traceable payment methods such as bank transfer (T/T), letter of credit (L/C), or escrow. Avoid cash payments for large amounts. Ensure the sales contract clearly states the warranty terms, delivery timeline, and after-sales support to protect your investment.
Yes—provided you work with an experienced exporter. Trusted suppliers usually have certifications, verified business licenses, and customer reviews. They also conduct two pre-shipment inspections and offer payment protection options to ensure transaction safety.
Compare machine prices, hours worked, and overall condition. Sometimes a slightly newer affordable used excavator with lower working hours offers better long-term value. Balancing cost and quality ensures you make the smartest purchase.
Purchasing a used excavator for sale is not just a way to save money—it’s a strategic business move. From lower costs and faster ROI to proven performance and environmental benefits, a used machine can deliver everything you need for your projects.
By paying attention to quality checks and secure payment methods, you protect your investment and ensure long-term success. With the right supplier, buying a second-hand excavator becomes a safe, reliable, and profitable choice for contractors and construction companies worldwide.
When a 20-ton steel arm effortlessly hoists a loaded pickup truck, it's not just mechanical power at work—but a symphony of hydraulic alchemy. Today we reveal how refurbished excavators maintain their earthmoving might!
1. Source of Power: Pascal's Law in Industrial Revolution
"Give me a fulcrum, and I shall move the world" — Archimedes' wisdom finds new expression in hydraulics:
Force = Oil Pressure × Piston Area

2. Guardians of Refurbished Power
Time wears steel, but scientific restoration resurrects strength
At our Hefei Refurbishment Center, we subjected a 2008 Komatsu PC200-8 to extreme testing:
3. The Art of Strength: Where Power Meets PrecisionThink excavators only deliver brute force? Witness their "mechanical ballet":
Surgical Precision
Cracking eggshells with a breaker hammer (yolk intact)
Achieving millimeter control via proportional solenoid valves
Intelligent Power
Pressure sensors preventing overloads in real-time
Cushioning technology eliminating impact shocks
4. Buyer's Strength Diagnostic Guide
Three field tests to verify performance:
Lift Endurance Test
Raise rated load to maximum height → Lock controls
Pass standard: <3° arm drop in 10 minutes (measured with inclinometer)
Compound Motion Challenge
Simultaneously operate boom/stick/swing (trace ∞-shaped path)
Monitor movement fluidity → Listen for pump abnormalities
"We restore not just machines, but earthmoving strength you can entrust your projects to."
In August, China is swept by sweltering heatwaves and blazing sunshine. During this intensely hot season, we welcomed a group of guests from afar—a delegation of clients from Uzbekistan. With a clear purpose for their visit, they arrived at the construction machinery base to personally test the Hyundai 210WVS wheel excavator and evaluate its performance and reliability on site.

A Warm Encounter: A Journey of Cooperation Across the Silk Road
As a key node in the "Belt and Road" initiative, Uzbekistan has seen growing infrastructure development needs in recent years, driving a strong demand for high-performance construction machinery. At the machinery base, the clients were warmly received.
On-Site Testing: A Display of Performance Under High Temperatures
The test was arranged at a dedicated proving ground, where the temperature reached 38°C, mimicking typical summer conditions in Uzbekistan. In such a demanding environment, the Hyundai 210WVS wheel excavator faced its "ultimate test."

Once the equipment started, it smoothly performed a series of challenging operations.
Precise digging demonstrated its excellent hydraulic control system.
Flexible rotation and movement highlighted the advantages of its wheeled chassis.
Efficient loading operations showcased its powerful performance.

Particularly impressive was the equipment’s cooling system, which performed excellently under sustained high temperatures. The engine’s water temperature remained within the normal range, demonstrating outstanding environmental adaptability.
Client Feedback: Recognition and Expectations
The on-site test provided the clients with a more intuitive understanding of the Hyundai 210WVS wheel excavator. They expressed, "This visit to China has been highly rewarding. We not only witnessed the outstanding performance of Hyundai’s equipment but also experienced your company’s professionalism and sincerity. The 210WVS fully meets the needs of our infrastructure projects."
Preliminary discussions were held regarding future cooperation, with the clients expressing their intention to proceed with bulk purchases and hoping to establish a long-term partnership.
Conclusion: Quality Wins Trust, Cooperation Creates the Future
Amid the scorching summer heat, the Hyundai 210WVS wheel excavator spoke with its capabilities and won recognition through its quality. This test not only highlighted the technical advantages of Hyundai’s construction machinery but also built a bridge for cooperation between Chinese and international enterprises. Moving forward, Hyundai will continue to prioritize innovation and customer focus, offering more high-performance and reliable construction machinery products to contribute to global infrastructure development.
