Explore our engineer-certified OEM machinery designed for heavy infrastructure, asphalt distribution, and precision industrial coatings.
An in-depth technical insight into fluid dynamics, automated micro-atomization, structural coating systems, and high-volume industrial manufacturing protocols.
Founded in 1998 by academic professors from Chang'an University alongside elite highway construction engineers (originally established as Xi'an Hongda Communications Technology Co., Ltd.), HEM Group represents the apex of Chinese road machinery research. Our foundational expertise spans mechanical dynamics, engine power matching, hydraulic transmission technology, and digital electronic control.
Formally recognized as a "High-tech Enterprise" by the Shaanxi Provincial Department of Science and Technology in 2006, and expanded via HME TOP Machinery Equipment Co., Ltd. in 2017, our organization bridges academic fluid-dynamics research with rugged, enterprise-grade field machinery.
Industrial spray painting and bitumen emulsion spraying demand strict volumetric metering and uniform particle distribution. Our proprietary OEM spray bar control systems utilize closed-loop hydraulic feedback pumps paired with high-frequency solenoid spray nozzles. This eliminates pressure drop gradients across wide application bars, preventing streak patterns and ensuring film thickness tolerances within ±1.5% accuracy across high-viscosity coatings.
A major technical failure point in field spray application—especially in rubberized bitumen, modified polymers, and heavy protective paints—is thermal degradation during fluid transport. HME TOP machinery integrates dual-circuit thermal oil jacket heating direct to the nozzle tip, ensuring viscosity parameters remain optimal regardless of ambient temperature variations from -20°C to +50°C.
The next decade of industrial spray painting equipment and road surface coating machinery hinges on digital automation, eco-efficiency, and autonomous fluid management.
| Development Phase | Core Innovation Focus | Technical Breakthrough | Operational ROI Impact |
|---|---|---|---|
| Phase 1: Electrostatic & Servo-Flow Control | Pulse-Width Modulated (PWM) Atomization | Microsecond nozzle metering; eliminating overspray loss by up to 35%. | 22% Material cost reduction per project. |
| Phase 2: AI Closed-Loop Viscosity Sensing | Real-time acoustic & pressure feedback | Automated dynamic pressure compensation based on fluid temperature spikes. | Zero nozzle clogging downtime. |
| Phase 3: Autonomous Robotic Spraying | LiDAR surface scanning & Pathfinding | Automated thickness adjustments matching pavement profile anomalies. | 100% Compliance with ISO structural specs. |
| Phase 4: Eco-Hybrid & Zero-VOC Systems | Integrated VOC thermal oxidizers & Electric drives | Elimination of secondary atmospheric emissions during high-temp bitumen spraying. | Full compliance with EU Stage V / US EPA Tier 4. |
Located in Shaanxi—the epicenter of China's heavy engineering machinery cluster—HEM Group leverages immediate proximity to high-grade structural steel foundries, hydraulic component hubs, and specialized digital controller fabricators. This localized ecosystem slashes prototype iteration cycles from months to days.
Every OEM spray system and road paver undergoes 100% high-pressure hydraulic line testing, thermal endurance profiling, and volumetric output verification before dispatch. Our digital inspection protocols guarantee that equipment arrives on site deployment-ready.
Through direct factory-to-enterprise procurement models, we bypass multi-tier distributor markups, allowing industrial clients to access custom chassis integration, tailored spray bar widths, and custom ECU software at unbeatable cost-to-performance ratios.
Our spray machinery and heavy construction units are engineered to perform in extreme ambient conditions—from sub-zero Arctic maintenance to high-humidity equatorial highway expansion.
Intelligent bitumen distributors and chip sealers deliver rapid tack-coat spraying and aggregate binding across major transport corridors, ensuring long-lasting bond strength under heavy axle loading.
Large-scale industrial OEM spray painting booths and mobile sprayers apply ultra-durable anti-corrosive polyurethane coatings onto excavators, bulldozers, and crusher frames exposed to abrasive slurry.
Precision slip-form pavers and modified asphalt sprayers ensure smooth, water-impermeable concrete taxiways and container terminal pads resistant to jet blast and heavy marine atmospheric salt exposure.
Compact road wideners, mini excavators, and micro-surfacing slurry seal pavers provide agile, low-overhead maintenance solutions for regional municipalities and rural infrastructure upgrades.
Integrated since 2005 into a seamless R&D, manufacturing, and international export enterprise, HME TOP Machinery Equipment Co., Ltd. serves as the global sales arm of HEM Group. We offer a full spectrum of highway construction machinery (milling machines, asphalt distributors, pavers, chip sealers, slurry sealers), earthmoving lines (wheel loaders, excavators, bulldozers), and mining aggregate crushers.
Our products are actively operating across more than 60 countries and regions—including India, Sri Lanka, Indonesia, Nigeria, South Africa, Eritrea, Mozambique, Congo, Australia, Fiji, Bolivia, Uzbekistan, Russia, and beyond.
All OEM spray equipment and machinery conform to European Union CE directives, ATEX explosion-proof requirements for hazardous vapor spraying environments, ISO 9001:2015 quality management systems, and OSHA operational safety guidelines.
We maintain localized distribution teams and regional spare parts hubs across key export markets including Russia, Malaysia, South Africa, Uzbekistan, Ghana, Kenya, Indonesia, and Sri Lanka, guaranteeing rapid component fulfillment at factory-direct pricing.
Our senior technicians provide around-the-clock remote diagnostics as well as hands-on site deployment, operator training, hydraulic calibration, and custom software troubleshooting to eliminate downtime.
Detailed engineering answers addressing common buyer technical queries and equipment specifications.
With over 25 years of engineering research originating from Chang'an University professors, we combine cutting-edge dynamic fluid simulation, robust hydraulic matching, and custom digital control systems. Unlike standard assemblers, we manufacture core components in-house inside our 50,000 m² modern production base, allowing custom OEM tailormade spray width, pump volumetric output, and chassis mounting setups.
Our bitumen spraying machinery incorporates heat-jacketed hydraulic positive displacement gear pumps paired with continuous thermal oil loop circulation directly into the spray nozzles. This maintains constant operating viscosity up to 200°C, preventing clogging and guaranteeing precise computer-controlled application rates regardless of vehicle ground speed.
Yes. We specialize in complete OEM customization. Our engineering team designs custom subframes, PTO (Power Take-Off) hydraulic connections, automated spray booms, and user-interface touchscreens compatible with Dongfeng, Sinotruk, ISUZU, MAN, Mercedes-Benz, or client-supplied carrier chassis.
We offer comprehensive 24/7 online technical assistance, remote telemetry diagnostic support, and on-site engineering installation. Additionally, regional technical service depots in Russia, South Africa, Malaysia, Uzbekistan, and Indonesia carry stock of genuine replacement parts for immediate dispatch.
Our facilities operate under strict ISO 9001:2015 quality management systems, ISO 14001 environmental safety standards, and CE certification for international export. Machinery built for hazardous liquid or paint spraying complies with relevant ATEX safety parameters.
Heavy-duty machinery solutions engineered for maximum jobsite reliability, efficiency, and long-term durability.
HME Machinery
