Explore our premier lineup of precision-engineered road maintenance and construction equipment designed to deliver maximum volumetric accuracy, operational durability, and superior paving aesthetics.
Founded in 1998 under the academic leadership of distinguished professors from Chang'an University—China's premier institution for highway transportation engineering—HEM Group (originally Xi'an Hongda Communications Technology Co., Ltd.) established the benchmark for independent research, dynamic engineering design, and industrial manufacturing of road construction equipment in East Asia.
Our baseline operational philosophy bridges theoretical mechanical dynamics, thermo-fluidic control systems, and field-tested pavement maintenance solutions. Recognized as a official "High-tech Enterprise" by the Shaanxi Provincial Department of Science and Technology in 2006, HEM Group has continually pioneered breakthroughs in mechanical dynamics, engine power matching, hydraulic transmission technology, and digital electronic micro-control systems.
In 2017, to serve international municipal departments, commercial contractors, and infrastructure conglomerates, HEM Group established its specialized global export entity, HME TOP Machinery Equipment Co., Ltd. This division coordinates international technical exchanges, customized OEM/ODM fabrication, global logistics, and round-the-clock field engineering support.
The modern road construction landscape is undergoing a systemic transformation driven by environmental directives, circular economy mandates, and digital automation. Equipment buyers must align machinery acquisitions with these macro trends.
Global environmental standards demand increased percentages of RAP in asphalt mix designs. Modern asphalt mixing plants and cold in-place recyclers (CIPR) must process up to 50%+ recycled bitumen aggregate without compromising tensile strength or rut resistance. Our processing technology ensures uniform heat transfer and minimal binder oxidation.
Real-time density sensing, GPS mapping, and accelerometer-based stiffness monitoring are now industry baselines. Intelligent compaction prevents over-compaction, eliminates thermal segregation, and provides verifiable quality control logs for government infrastructure audits.
Lowering production temperatures by 20°C to 40°C reduces carbon emissions and fuel expenditure significantly. Machinery must handle highly viscous SBS, SBR, and crumb-rubber modified bitumens using high-shear mixing heads and precise digital thermal regulation.
When Tier-1 contractors and municipal procurement boards evaluate road construction machinery, direct purchase cost represents only 25-30% of total lifecycle expenditure. The rest is consumed by operational fuel efficiency, hydraulic component durability, preventative maintenance ease, and residual resale value.
| Evaluation Parameter | Legacy Equipment Standard | HEM / HME TOP Next-Gen Standard | Operational ROI Impact |
|---|---|---|---|
| Hydraulic System Efficiency | Fixed-displacement gear pumps; higher heat loss | Variable-displacement axial piston pumps with load sensing | 15-22% reduction in daily fuel consumption |
| Spray & Paving Accuracy | Manual valve actuation; ±8% binder variance | Computerized micro-metering with radar speed synchronization | Saves 10-12 tons of bitumen per 100km paved |
| Thermal Insulation & Heating | Single-stage diesel burner; uninsulated tanks | Automated thermic oil system with ceramic wool insulation | Eliminates asphalt binder aging & overheating loss |
| Telematics & Maintenance | Basic mechanical gauges; reactive repair | CAN-bus digital diagnostics with remote IoT cloud connectivity | Reduces unplanned jobsite downtime by up to 40% |
| Spare Parts Availability | Proprietary closed-loop parts ecosystem | Standardized global component architecture (Rexroth/Danfoss compliant) | Cuts maintenance lead times from weeks to days |
Our integrated machine fleets provide tailored engineering workflows across complex infrastructural topography, from high-load arterial expressways to localized urban rehabilitation.
Delivering high-tonnage soil compaction, trenching, and grading via heavy-duty wheel loaders, excavators, and backhoe loaders. Perfect for sub-grade stabilization, airport runways, and seaport container terminal foundations.
Precision asphalt mixing plants, high-density pavers, synchronized chip sealers, and micro-surfacing machines engineered to lay down fatigue-resistant wearing courses capable of withstanding heavy axle loads.
Crushing and screening solutions—including mobile jaw crushers and vibrating screening plants—ensuring optimal flakiness indices and particle size distribution for high-specification asphalt mixes.
From hot-mix production to full-depth pavement reclamation, HEM Group delivers a single-source equipment ecosystem designed to simplify equipment management and parts procurement.
Operating across diverse geographic zones requires strict adherence to international regulatory frameworks and localized engineering adaptations. All HEM Group machinery is built compliant with ISO 9001:2015 quality standards, CE safety certifications, and regional engine emission directives (including Euro Stage V and US EPA Tier 4 Final standard options).
To prevent operational bottlenecks on remote construction sites, HME TOP has deployed permanent distribution centers, technicians, and localized spare parts inventories across major international corridors:
HEM Group continues to fund long-term R&D initiatives alongside academic research partners. Our vision for the next decade of infrastructure development encompasses three primary technological pillars.
Development of 3D-guided, unmanned asphalt pavers and rollers communicating via V2V (Vehicle-to-Vehicle) mesh networks to eliminate human error, guarantee mat uniformity, and improve operator safety in dangerous terrain.
Integration of lithium-iron-phosphate battery powerbanks into compact compaction rollers, micro-surfacing units, and city road maintenance tools, drastically lowering jobsite decibels and urban carbon footprints.
Infrared thermographic camera arrays integrated into paver screeds, feeding live thermal segregation maps to cloud databases to automatically adjust screed heater output and compaction pass counts in real time.
Collaborating with worldwide infrastructure developers, state highways authorities, and component suppliers.












Over two decades of continuous machinery engineering born out of Chang'an University's dedicated road construction research units.
Tailor-made chassis configurations, spray bar widths, screed heating technologies, and engine brand pairings (Cummins, Deutz, Weichai).
We don't just sell equipment; our civil engineers consult on mix designs, chip sealing binder viscosity, and cold recycling additives.
Factory-direct component pricing guarantees your lifetime total cost of ownership remains low long after warranty expiration.
Expert answers to technical, procurement, and logistical inquiries regarding our road construction machinery.
Browse our full catalog of high-durability road wideners, excavators, cement spreaders, and specialized asphalt recycling equipment.