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In the context of global food security and the rapid growth of smart agriculture, precise monitoring of grain levels and volumes in large-scale silos has become a strategic necessity. Traditional manual auditing in silos, which can stand dozens of meters high and hold thousands of tons, presents severe safety risks, including dust explosions, oxygen deprivation, and grain entrapment. The Challenge: Accuracy in High-Dust, High-Volume Storage Grain storage environments are characterized by high dust concentrations and fluctuating temperatures. For plant managers, the primary hurdles are twofold: - Safety Compliance: Eliminating the need for personnel to enter hazardous confined spaces. - Data Fidelity: Moving away from ”estimated” volumes toward a ”digital twin” that reflects the actual shape of the grain pile. The Solution: 3DPro2300 Radar Scanner To address these industrial bottlenecks, RETTAR introduced the 3DPro2300 Radar Scanner, a high-frequency sensing system designed to unlock the ”digital code” of smart grain storage. # 80GHz FMCW Technology for Dust Penetration; The 3DPro2300 utilizes 80GHz Frequency Modulated Continuous

In the vast and complex landscape of mining and aggregate yards, achieving efficient resource supervision and precise measurement is a long-standing industry challenge. Traditional methods are often hindered by low visibility, high labor costs, and data lag, making it difficult to meet the needs of modern dynamic management. Today, Beijing Rettar Technology Co., Ltd. (RETTAR) is transforming these operations with the 3DPro2501 Laser Scanner, bringing a new level of vitality to industrial monitoring. Visibility and Data Gaps in Mining Mining and aggregate yards are at the core of resource extraction, where efficiency directly impacts safety and profitability. In these environments, heavy dust is a constant—especially during blasting or heavy machinery operations. This poor visibility makes volume estimation and stockpile assessment extremely difficult. Conventional manual measurements are not only slow but often inaccurate due to environmental interference. As global regulations on resource management tighten, industries need a transition from ”static records” to ”real-time dynamic monitoring.” 3DPro2501 Laser Scanner

RETTAR introduces the 3DPro2300, a 3D scanner designed to overcome material adhesion and irregular surfaces in soybean meal silos, offering feed and livestock industries enhanced inventory accuracy. In the bulk solids sector, accurate volume measurement of soybean meal is often hindered by fine particle adhesion and the formation of irregular material cones or bridges. These factors frequently lead to signal attenuation and significant data discrepancies when using traditional point-level sensors. Advanced Scanning Technology for Full Silo Visibility The 3DPro2300 utilizes a rotational scan covering 360° horizontally and ±90° vertically to eliminate blind spots. This ”visual engine” provides a comprehensive map of the silo interior, capturing material sticking to walls and uneven piles to ensure data integrity. Design Focused on Maintenance and Safety The scanner features a compact, non-invasive design requiring only a small roof opening. To support industrial safety, it includes remote self-diagnostics and status indicators, allowing engineers to monitor hardware health without entering high-dust, hazardous environments. Seamless Integration into

This prestigious recognition marks a significant milestone in autonomous core technology, highlighting RETTAR’s commitment to delivering ”Silo Transparency” and high-quality digital solutions for the global process industry. Beijing Rettar Technology Co., Ltd. (RETTAR) is proud to announce that our self-developed 3DPro2300 Radar Scanner has been honored with the AchemAsia Process Innovation Award in Shanghai. This prestigious recognition marks a significant milestone in autonomous core technology, highlighting RETTAR’s commitment to delivering ”Silo Transparency” and high-quality digital solutions for the global process industry. The Problem: Manual Risk and Inventory Blind Spots In traditional industrial environments, managing inventory has often been a matter of ”estimation” rather than precision. Manual measurement is not only inefficient but creates severe safety hazards for personnel. Furthermore, legacy single-point sensors fail to account for irregular material surfaces, such as cones or depressions, leaving plant managers with critical data blind spots and operational uncertainty. The Solution: Radar for Absolute Transparency To solve these challenges, RETTAR engineered

To keep global energy and manufacturing systems safe and efficient, engineers must accurately track every degree of temperature, every pound of pressure, and every inch of material level. Since 2007, Beijing Rettar Technology Co., Ltd. (RETTAR) has dedicated eighteen years to a single, unwavering conviction: ”Do only one thing—make industrial measurement more accurate.” Pioneering Excellence in Global Process Measurement From its inception, RETTAR has been a technology-driven enterprise focused on providing high-precision, intelligent sensor solutions for the coal, mining, grain, and construction sectors. We launched our journey with the self-developed CPR6500 radar level meter, establishing a baseline for reliability in demanding environments. Our mission has always been clear: to empower global industry with a high-precision measurement ecosystem that turns complex raw data into actionable operational safety. Evolution: From Legacy Points to Spatial Intelligence The evolution of our product line reflects the shifting needs of the global energy and mining sectors. In 2009, we introduced Guided Wave Radar Level Meters with patented sampling

Beijing Rettar Technology Co., Ltd. (RETTAR) has been officially nominated for the 2026 Leaders in Automation Awards. This recognition comes from Control, a top international magazine for the automation industry. Being nominated proves that RETTAR’s 3D scanning technology is making a real impact on how companies monitor bulk materials like coal and minerals. Industry Recognition for Technical Excellence The Leaders in Automation Awards are highly respected because they are organized by the experts at PMMI Media Group, who publish Control. Unlike other traditional industry lists, this award is determined through a rigorous voting process. This means the recognition is granted not by a committee, but by thousands of frontline automation engineers and technical decision-makers who rely on these technologies to maintain system integrity in critical process industries. For RETTAR, being nominated for these awards shows that their 3D mapping technology is a leader in the field. It highlights the company’s ability to provide radar tools that work reliably in tough places like mines, power plants, and heavy factories. This nod from the industry confirms that RETTAR is helping

In an era of precision fuel management, the RETTAR 3DPro2300 eliminates the ”Black Box” of coal bunkers. Using 3D Spatial Mapping, it replaces risky manual audits with real-time, high-density data for smarter, safer operations. In 2026, the energy sector’s push toward high-quality development has reached a critical inflection point. As ”Carbon Emission” targets and intelligent mine construction accelerate, fuel management precision now dictates cost control and market competitiveness. For power plants, coking facilities, and port terminals, coal bunkers are no longer mere storage units; they are critical data nodes linking procurement, scheduling, and operational decision-making. The Operational ”Black Box”: High-Stakes Uncertainty Despite digital advancements, the interior of a massive coal bunker remains a high-risk ”black box.” Industrial operators consistently face three systemic pain points: - Inventory Shrinkage & Discrepancy: Monthly audits frequently reveal variances of hundreds of tons between book value and physical stock. When a 10,000-ton silo suffers a 5% margin of error, the resulting financial fluctuation is unacceptable. - Manual Safety Risks: Legacy point-level

80GHz FMCW 3D Radar Scanner for dust-heavy silos. Real-time volume/mass data, zero-climb safety, and total inventory control. In the era of Industry 4.0, digital material management is no longer a luxury—it is the baseline for reducing costs and staying competitive. Yet, for plant managers in cement, power, and mining, the ”inventory gap” remains a constant headache. You cannot manage what you cannot see, and in a 55-meter-deep silo filled with swirling dust, traditional sensors often leave you blind. The 3DPro2300 Radar Scanner moves beyond simple distance measurement to provide complete 3D surface topology, turning ”invisible” bulk solids into actionable data. The Reality of ”Blind” Material Management Traditional measurement methods frequently fail in heavy industrial settings characterized by high dust, large particle sizes, and extreme temperatures. For a typical large-scale cement silo, the operational ”pain points” are significant: Extreme Dust Interference: Visibility inside silos is often near zero. Laser-based equipment is effectively useless here, as it cannot

Coal washeries face high chemical waste due to poor slurry control. RETTAR Thicker Bed Level Monitoring offers precision, saving millions annually. Coal slurry thickeners are the core of solid-liquid separation in coal washing, and their operational efficiency directly affects the economic benefits of coal washeries. However, traditional thickener management methods have long been plagued by prominent problems: turbid overflow risks, uncontrollable flocculant (PAM) costs due to experience-based dosing, and inefficient maintenance caused by easy interference of traditional instruments. To address these pain points, RETTAR Thicker Bed Level Monitoring System provides a professional solution. With vertical penetration sensing, dual-signal scanning and cloud intelligent control as its core, the system’s probe goes deep into the thickener, directly penetrating the coal slurry medium to accurately monitor the distribution of clear liquid layer, sedimentation layer and sludge layer, avoiding data distortion caused by tank wall scaling and bubbles. The system dynamically adjusts flocculant dosage according to real-time

Secure mining assets with the 3DPro2501 LiDAR Scanner. Achieve 98% volume accuracy in gold ore stockpiles to eliminate audit errors and ensure financial safety. The Financial Risk of Inaccurate Gold Inventory In a market of record-high gold prices, every cubic meter of ore represents significant capital. For mining enterprises, temporary stockpiles are not just raw materials—they are high-value financial assets. Traditional inventory methods like manual estimation or periodic physical checks are no longer viable as they introduce massive blind spots in valuation. Even a minor volume error can lead to millions of dollars in financial discrepancies. This lack of precision threatens corporate transparency and audit compliance, making high-precision measurement a financial necessity. Why Traditional Stockpile Measurements Fail Gold mining environments present unique challenges that render standard surveying tools ineffective. Open-air stockpiles undergo constant shape changes due to continuous loading, creating irregular surfaces that manual methods cannot map accurately. Furthermore, manual auditing is notoriously slow,

Digitize stockyards with RETTAR 3DPro2300. Auto 3D modeling ensures precision in dust, boosting safety & Industry 4.0 efficiency. The Critical Role of Stockyards in Industrial Logistics Stockyards are the operational hubs for bulk material management, serving as the central nervous system for raw material storage, dynamic inventory auditing, and precise distribution. In the era of Industry 4.0, the demand for digitized inventory and real-time monitoring has never been higher. However, traditional open or semi-enclosed stockyards remain a bottleneck for many enterprises. The primary challenges include heavy dust concentrations that blind optical sensors, irregular material piles that defy manual measurement, and the high risk of accidents when workers must climb unstable piles for manual audits. Furthermore, extreme weather and humidity often cause traditional equipment to fail, leading to significant financial discrepancies and operational delays. The RETTAR Solution: 3DPro2300 Radar Scanner To address these persistent pain points, RETTAR has introduced the 3DPro2300 Radar Scanner, an all-in-one

Eliminate inventory risks with the RETTAR 3DPro2300 Radar Scanner. Achieve 98% accuracy and unmanned safety with 3D modeling for smart bulk material silos. Eliminate guesswork and manual risks. Discover how RETTAR’s 3D Radar Scanning technology provides real-time “X-ray vision” for industrial silos, ensuring 98% accuracy in even the most challenging environments. In the global grain, brewing, and feed industries, managing deep silos is a constant challenge. When dealing with thousands of tons of sorghum or other bulk materials, managers often struggle with ”invisible inventory”—data that is estimated rather than measured. Traditional methods are either dangerously manual or technologically insufficient to handle the irregular surfaces of bulk solids. 5 Core Challenges Solved by RETTAR Technology # Safety First: Manual inventory checks involve high risks of dust explosions, oxygen deficiency, and falls. RETTAR enables ”unmanned” auditing. # Surface Irregularity: Single-point sensors cannot ”see” the peaks and valleys of material piles. The 3DPro2300 maps the entire surface for true volume calculation.

RETTAR’s 3DPro2300 3D Radar Scanner masters high-dust silos. ATEX/TÜV certified, it penetrates dense dust to deliver zero-blind-spot inventory management. In heavy industries such as cement production, power generation, and metallurgy, the precise management of limestone powder—a critical raw material—is essential for operational stability and cost efficiency. However, traditional measurement methods like manual dipping or heavy-hammer level gauges often fail in the face of modern automation requirements. To address the industry pain point of inaccurate data in high-dust environments, RETTAR has introduced the 3DPro2300 Radar Scanner, a game-changing solution designed for high-precision, real-time, and autonomous inventory monitoring. The ”Black Box” of High-Density Dust * Limestone powder silos present some of the most unforgiving environments for industrial instrumentation. * Extreme Dust Concentrations: During feeding and discharging, fine particles create thick clouds that obstruct optical and ultrasonic signals, leading to total sensor failure. * Signal Interference & Absorption: Conventional radar

For continuous operations and cost optimization in mining and material processing plants, precisely determining the actual material volume and inventory within silos is a critical factor. Traditional level sensors provide limited point data, leading to inaccurate volume estimates and unreliable inventory reports, especially when facing high dust or extreme environmental conditions. RETTAR offers a breakthrough solution using its robust 3D Radar Scanning technology. The 3DPro2300 Series Radar Scanner provides the high-penetration, accurate 3D data required for complex interior volume calculations, offering a reliable monitoring architecture for smart inventory management. ATEX-Certified Reliability for Silo Environments The RETTAR 3DPro2300 Series Radar Scanners are specifically engineered for environments where lasers fail. Their superior wave penetration and environmental immunity make them the ideal choice for high-dust, high-humidity, or confined silo environments