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Last update: 18.06.2026

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Rettar technology co., ltd

TEL: +86 13002246728
International Sales Team
Beiing Economic- Technological Development Area
100176  Beijing
China
Contacts
TEL: +86 18610730582
International Sales Team
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Rettar technology co., ltd
RETTAR is a leading intelligent technology company, founded in 2007 with roots in Tsinghua University, specializing in advanced AI and radar-based industrial measurement solutions for global clients.

We drive industrial precision and safety with our core product portfolio, including the innovative 3DPro Series (3D Radar Scanner, 3D Laser Scanner) for volume visualization, and high-reliability Radar Level Transmitters and Level Switches for process control.

Backed by over 180 technology patents and a Global R&D Center, our commitment to international standards is demonstrated by essential certifications such as CE, ATEX, and RoHS, ensuring seamless integration and compliance for customers in over 20 countries across the Energy, Mining, and Feed sectors.
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Products & services
3Dpro2300 Radar Scanner3Dpro2300 Radar Scanner3D visual volume monitoring for silo, yard, dome, and shed applications.
3Dpro2300Easy Radar Scanner3Dpro2300Easy Radar ScannerA lightweight 3D volume inventory system for real-time stock information.
3DPro2501 laser Scanner3DPro2501 laser ScannerLong-range 3D laser scanning for quick, full-yard scans in just three minutes.
3DPro2503 Laser Scanner3DPro2503 Laser Scanner Patented dust-proof and algorithm-driven LiDAR, ideal for volume inventory in small-scale environments.
80GHz Radar Level Meter80GHz Radar Level MeterHigh-frequency radar technology for accurate and reliable level measurement in challenging environments.
26GHz Radar Level Meter26GHz Radar Level Meteroptimized for accurate level measurement in chemical, power, and high-steam environments.
140GHz Radar Level Meter140GHz Radar Level Meterideal for level measurement in environments with stirring and fluctuating liquid conditions.
Guided Wave Radar Level MeterGuided Wave Radar Level Meterdesigned for high-temperature (400°C) and high-pressure (40 bar) applications, ideal for boiler drum level measurement.
NA22 Density MeterNA22 Density MeterNon-intrusive, high-precision density monitoring on the outside of pipelines, ensuring continuous production without the need for drilling.
Process control, instrumentatiProcess control, instrumentatiRotating vane level switches, Capacitative level switches, Capacitative level meters, Radar level meters, Tuning fork level switches, Laser level meters

Posts

3D Radar for Coal Silos: Preventing Summer Caking Risks Wet coal in silos causes inaccurate inventory, wall clinging, and structural stress. The RETTAR 3DPro 2300 Radar Scanner provides precise 3D real-time bulk solids monitoring, preventing blockages and ensuring safe, accurate fuel management.
3D Radar for Coal Silos: Preventing Summer Caking Risks
Wet coal in silos causes inaccurate inventory, wall clinging, and structural stress. The RETTAR 3DPro 2300 Radar Scanner provides precise 3D real-time bulk solids monitoring, preventing blockages and ensuring safe, accurate fuel management. Peak summer electricity demands require power plants to maintain maximum fuel reserves. However, high seasonal humidity and heavy rainstorms make stored coal wet and cohesive, causing material to stick to vessel walls and form hidden internal cavities. Deploying an advanced system, such as the RETTAR 3DPro 2300 Radar Scanner, addresses these measurement errors by replacing single-point estimations with continuous radar tracking—ensuring reliable bulk inventory tracking, preventing structural wall damage, and enabling safe fuel management. Seasonal Hazards vs. 3D Real-Time Bulk Monitoring Solutions Summer humidity and heavy rainfall create severe material handling challenges in power generation plants. Wet coal becomes highly cohesive, causing it to cling to vessel walls and form dangerous hidden arches or cavities. Traditional meters often measure a single high spot, mistaking a half-empty vessel for a full one and causing critical fuel supply disruptions. Furthermore,…
10-08-2026  |  107  |  product news  | 
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Behind the Scenes of RETTAR’s Precision 3D Radar Manufacturing Harsh industrial conditions cause inaccurate bulk solids inventory in silos. Advanced 80GHz 3D level scanners, rigorously tested for extreme environments, provide continuous, precise volumetric measurement for reliable stock control.
Behind the Scenes of RETTAR’s Precision 3D Radar Manufacturing
Harsh industrial conditions cause inaccurate bulk solids inventory in silos. Advanced 80GHz 3D level scanners, rigorously tested for extreme environments, provide continuous, precise volumetric measurement for reliable stock control. Industrial bulk material processing relies on accurate stock monitoring to prevent unexpected production stoppages. During peak summer operations, extreme heat, high humidity, and heavy dust cause material caking along vessel walls, leading to significant inventory accounting errors. Deploying an advanced 3D level scanner for silos addresses these data gaps by replacing manual estimations with continuous radar tracking, ensuring reliable stock records, enhanced workplace safety, and seamless factory material flow. Extreme Industrial Conditions Threaten Silo Inventory Management Maintaining precise bulk inventory presents ongoing operational challenges when field sensors operate in harsh plant conditions. Silo tops frequently reach temperatures above 60°C, which can cause standard electronic components to suffer signal drift or thermal throttling. At the same time, internal humidity causes fine powders to cake and cling to internal walls, creating hollow spaces that…
04-08-2026  |  225  |  product news  | 
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3D Radar Solves Bulk Material Inventory Errors in Factory Yards 3D radar replaces flawed manual yard inventory with precise, real-time volume data, overcoming dust and irregular piles to boost accuracy and efficiency.
3D Radar Solves Bulk Material Inventory Errors in Factory Yards
3D radar replaces flawed manual yard inventory with precise, real-time volume data, overcoming dust and irregular piles to boost accuracy and efficiency. In 2026, manufacturing profits face tightening pressures from volatile raw material costs, rising labor expenses, and stricter safety rules. Today, saving operational overhead is the most direct way to protect industrial earnings. Unfortunately, the most common area for hidden losses is often out of sight: bulk material warehouses storing coal, mineral powder, cement, or grain. While these materials move in and out daily, tracking true stock levels remains a constant challenge. Traditional manual inventory checks are slow and highly inaccurate, leaving managers with unreliable data. What Causes Bulk Material Inventory Errors in Factory Yards? Accurate stock tracking inside large containment structures requires balancing several volatile physical conditions: * Dense Environmental Dust: High-volume loading creates thick particle clouds that block standard optical or acoustic tracking tools, causing frequent measurement errors. * Highly Irregular Piles: Shifting raw…
28-07-2026  |  261  |  product news  | 
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Hidden Costs of Manual Stockpile Measurement in Concrete Plants Manual bulk material inventory in concrete plants incurs hidden costs & safety risks. 3D laser scanning offers real-time, accurate volume measurement for stockyards and storage sheds, enhancing operational safety, efficiency, and data integration.
Hidden Costs of Manual Stockpile Measurement in Concrete Plants
Manual bulk material inventory in concrete plants incurs hidden costs & safety risks. 3D laser scanning offers real-time, accurate volume measurement for stockyards and storage sheds, enhancing operational safety, efficiency, and data integration. Aggregate, sand, and bulk material batching require reliable inventory counts. Yet many concrete batching plants still rely on manual audits, traversing active storage yards, or dropping weighted lines in storage sheds to estimate remaining volume. These methods create hidden operational costs that quietly eat into plant margins. The Hidden Costs of Manual Stockpile Measurement in Concrete Batching Plants Estimating bulk material in storage sheds and open yards creates ongoing losses across several daily cost centers: ● Direct Labor Hours: Manual measuring requires multiple team members spending hours daily on site audits, consuming valuable labor budget that could support plant maintenance. ● Workplace Injury and Liability Risks: A single slip, trip, or fall on uneven material piles or wet access ladders leads to paid sick leave, medical expenses, and increased workers’ compensation premiums. ● Production Downtime and Bottlenecks: Pausing loader operations or…
24-07-2026  |  375  |  product news  | 
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80GHz Radar Technology Solves Industrial Level Measurement Problems Heavy dust, steam, and buildup often compromise measurement accuracy in harsh industrial sectors. RETTAR’s 80GHz radar technology provides a high-precision solution, using narrow beam physics to maintain stability where others fail.
80GHz Radar Technology Solves Industrial Level Measurement Problems
Heavy dust, steam, and buildup often compromise measurement accuracy in harsh industrial sectors. RETTAR’s 80GHz radar technology provides a high-precision solution, using narrow beam physics to maintain stability where others fail. The Resilience Test: Penetrating Real-World Obstructions In industrial environments such as petrochemical refineries, steel mills, and power plants, process conditions are rarely ideal. Dust, steam, and material buildup on vessel walls are common, often causing traditional level measurement devices to produce unreliable data, signal drift, or complete system failure. For process engineers and plant managers, the challenge is not just taking a measurement; it is maintaining accuracy despite the environment. Putting It to the Test: Penetration Capability To verify how 80GHz technology handles these obstructions, we conducted a practical evaluation. The goal was to see if the radar signal could ”ignore” barriers and lock onto the true target. The Test Setup: * Device: RETTAR 80GHz Radar Level Meter. * Target: A metal box (simulating the surface of real material). * Interference: A blue plastic box (simulating wall buildup or internal obstacles). The Process: *…
22-07-2026  |  811  |  product news  | 
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How Radar Sensors Help Prevent Material Build-Up in Silos Automated 3D radar monitoring prevents hazardous build-up (bridging, ratholing) in bulk solids silos, ensuring continuous processing flow. It tracks material topography safely for accurate inventory and avoids manual entry.
How Radar Sensors Help Prevent Material Build-Up in Silos
Automated 3D radar monitoring prevents hazardous build-up (bridging, ratholing) in bulk solids silos, ensuring continuous processing flow. It tracks material topography safely for accurate inventory and avoids manual entry. Inside industrial grain silos and flour processing plants, hidden material build-up like bridging, sidewall cling, and ratholing often disrupts operations. When material arches or sticks to walls, it creates dangerous empty pockets, unexpected flow stoppages, and sudden material collapses. However, sending workers up to check silos introduces high fall hazards and relies on slow, inaccurate manual record-keeping. To fix these safety and data gaps, deploying automated grain silo monitoring systems tracks actual surface topography, keeping crews safely on the ground. What Structural Hazards Defeat Manual Silo Inventory Management? Maintaining stable material flow inside heavy-duty grain storage units introduces severe operational risks when relying on manual estimation or other traditional metrics. Industrial storage environments frequently deal with complex physical changes across wide silos: Severe Interior Flow Faults: Sticky or humid bulk items cling to internal steel…
17-07-2026  |  591  |  product news  | 
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