Stop Cover Theft & Flood Disasters in 90 Seconds
Real-Time IoT Monitoring | 40-Ton Load Capacity | 3-Year Zero Maintenance

Are you still troubled by these problems?
Manhole covers stolen but undetected for 24 hours, leading to frequent pedestrian falls.
Covers washed away during heavy rains, causing severe waterlogging with delayed responses.
High costs of manual inspections, exceeding millions annually for maintenance.
Outdated traditional cover management, resulting in elevated public liability risks.
Now, Tiegu offers you solutions and products!
In recent years, incidents of manhole cover theft and damage from rolling pressure have occurred frequently, compromising road and facility safety. To better protect public infrastructure and safeguard key underground resources, there is an urgent need to adopt new technologies and models to strengthen manhole cover safety management. Against this backdrop, the demand for intelligent manhole cover management has emerged.

Why Choose Tiegu Smart Manhole Covers?
Compared with traditional cast iron manhole covers, Tiegu's intelligent system achieves a dimensional upgrade from "passive response" to "active prevention and control." Its core advantages are clear:
| Comparison Index | Traditional Cast Iron Covers | Tiegu Intelligent System |
|---|---|---|
| Abnormality Response | Relies on public reports and manual patrols | Automatic alarm within 90 seconds, instant response |
| Anti-Theft Capability | Secured with ordinary bolts, easy to steal | Locks upon damage + real-time positioning tracking, 100% recovery |
| Installation Cost | Full cover replacement, $850+ per unit | Bolt-on installation, only $120 (saves 87% cost) |
| Flood Prevention | Passive drainage, prone to waterlogging | Active early warning + linked pumping system |
| Data Compatibility | Isolated system, information silo | Seamless integration with smart city platforms |
| Maintenance Cost | Frequent manual inspections, high costs | 3-year zero maintenance, significantly reducing operational expenses |
| Load Capacity | Standard capacity | 40-ton super load, suitable for complex road conditions |
Get a free customized solution

Tiegu Smart Manhole Cover Categories
Tiegu's smart manhole covers cover all sizes from φ300 to φ1000, with customizable weights. Based on monitoring priorities for different scenarios, they are divided into six core categories:

Underground Temperature Monitoring
Weight: Customizable per requirements
Size: φ300-φ1000
Purpose: Monitors urban environments, including noise, odor, temperature, humidity, and other environmental data

Damage Detection
Features: Applied in maintenance management; real-time monitoring of cover conditions
Weight: Customizable per requirements
Size: φ300-φ1000
Purpose: Real-time monitoring, early warning, and remote control

Odor Detection
Features: Used for urban environmental monitoring, such as detecting noise, odor, temperature, and humidity
Weight: Customizable per requirements
Size: φ300-φ1000
Purpose: Real-time monitoring, early warning, and remote control

Loosening Alarm
Features: Applied in natural disaster management (e.g., floods, earthquakes); real-time monitoring of sewer flow to warn of disaster risks and enhance urban emergency response capabilities
Weight: Customizable per requirements
Size: φ300-φ1000
Purpose: Real-time monitoring, early warning, and remote control

Overflow Detection
Features: Applied in natural disaster management (e.g., floods, earthquakes); real-time monitoring of sewer flow to warn of disaster risks and enhance urban emergency response capabilities
Weight: Customizable per requirements
Size: φ300-φ1000
Purpose: Real-time monitoring, early warning, and remote control

Tilt Alarm
Features: Monitors and analyzes traffic data (e.g., flow, speed) on urban roads, providing real-time traffic information and predicting congestion
Weight: Customizable per requirements
Size: φ300-φ1000
Purpose: Real-time monitoring, early warning, remote control, and traffic congestion prediction
Cooperative Cases
A district in Thailand: 1,200 sets of smart covers used for 1 year, resulting in zero cover-related accidents and a 60% reduction in patrol personnel.
A district in Bangladesh: Flood response time shortened from 2 hours to 15 minutes during the rainy season, with an 82% drop in waterlogging complaints.
Four Core Functions: Comprehensive Intelligent Management
The main functions of smart manhole covers include:
1、Sensor Monitoring
Equipped with built-in sensors, smart covers real-time monitor traffic conditions, environmental data, and their own usage and location information.
2、Data Storage
Data is stored in real time on cloud platforms, facilitating data collection, analysis, and application by urban managers and public service institutions. The platform also uses big data analysis and AI algorithms to analyze and predict urban traffic and environmental conditions.
3、Networked Control
Smart covers connect to urban internet via wireless communication technology, enabling real-time data transmission and networked control. They can also be remotely opened/closed for convenient management by urban staff.
4、Automatic Warning and Linkage
When abnormalities occur (e.g., theft, damage, overflow), the system automatically alarms within 90 seconds, synchronously pushing alerts to management platforms and responsible personnel, and linking relevant departments (e.g., urban management, drainage stations) to initiate emergency responses.

Application Scenarios
Smart manhole covers can be applied in the following areas:
Traffic Management
They monitor and analyze traffic data (flow, speed) to provide real-time information and predict congestion, offering a scientific basis for smooth urban traffic.
Environmental Monitoring
They detect urban environmental data (noise, odor, temperature, humidity) to reduce pollution and improve urban livability.
Natural Disaster Management
They monitor sewer flow to warn of flood, earthquake, and other disaster risks, enhancing urban emergency response capabilities.
Public Safety
They eliminate "urban traps" caused by missing covers, reduce public liability risks, and cut public liability costs by 65%.

About Us
Tiegu specializes in R&D and production of manhole covers, with weights ranging from 0.5kg to 200kg. Crafted from high-strength ductile iron (QT400-15, QT450-10, QT500-7, QT600-3), our products cover most market-available sizes.
We use clay sand molding and operate multiple automatic vertical parting flaskless shoot-squeeze molding lines, core-making equipment, medium-frequency induction furnaces, sand processing lines, and casting cleaning equipment. We also have advanced testing equipment such as on-site rapid analyzers, German Spectro spectrometers, metallographic microscopes, and universal testing machines.
We not only provide smart manhole cover products but also strive to create a full-process management solution of "perception-warning-disposal-optimization" for cities, making every cover a "smart cell" safeguarding urban safety.
FAQ
How to contact us?
If you are interested in our products, please feel free to contact us at any time. You can contact our product manager through email or the message board at the bottom of the page.
What are your main products?
Our main products are stainless steel products, galvanized steel products, aluminum profiles and lead products. In addition, we also have steel pipes, steel plates and other related steel products.
Do you provide customized product services?
Of course, our professional R&D team can design and produce the products you need according to your specifications and drawings. For example: special size, special control, OEM, etc.
How long will it take for me to get the price?
Please provide product specifications such as material, size, quantity and other requirements. We usually quote within 6 hours, and steel prices fluctuate with the market every day. Our prices are very competitive because we have a stable supply chain. If you would like to get a price as soon as possible, please call us or let us know by email so that we can prioritize your inquiry.
Are you a manufacturer?
Our main products are stainless steel products and galvanized steel products. Our own factory, coupled with our many years of experience in the domestic steel market and long-term cooperation with upstream and downstream suppliers, stable prices, stable quality and stable supply capabilities allow us to have great advantages in stainless steel and galvanized products. At the same time we also have product resources of carbon steel products and color-coated coils, I believe this will also make you satisfied.
Can we visit your factory?
Of course, we welcome you to visit our factory on site or visit our production line through online video to understand our strength and quality. We will arrange a professional team to serve you.You just need to send your itinerary and leave the rest to us.
What say our customers
We have been working with Xingtianyi since 2008 and they have supported the rapid growth of my business. I am lucky to have a partner I can rely on.
★★★★★
Colin Murphy
Your people have been dependable, with strong sense of responsibility and expertise. We appreciate the efforts you and your staff have made. Despite the sometimes urgent nature of our orders, they have all been accurate and delivered on time. It was a pleasure to work with all of you.
★★★★★
Johan Gouws
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Smart Manhole Covers
Smart Manhole Covers
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